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FC065244_C7_Q19

9786294703582

Physics

Quantum Physics

Which of the following is true about photoelectric effects?

['A: The higher the frequency of light photons, the lower the kinetic energy of photoelectrons.', 'B: The maximum frequency that can release electrons is known as threshold frequency, f_0.', 'C: The kinetic energy of photoelectrons increases as the intensity of light increases.', 'D: The production of electrons from the metal surface occurs instantaneously.']

D

KM24SFI_C1_Q40

9789837740402

Physics

nan

Given that the photon energy of red light is 2.93\times10^{-19} J and the work function of sodium metal is 2.28 eV. What would happen if the red light shone on the sodium metal surface? [1 eV = 1.60 \times 10^{-19} J]

['A: The photoelectric effect does not occur.', 'B: The electrons escape from the metal surface instantaneously.', 'C: The maximum kinetic energy of photoelectrons increases.', 'D: The light frequency exceeds the threshold frequency.']

A

KM24SMA_C2_Q40

9789837740372

Mathematics

nan

Which class interval has the most number of workers? Diagram 17 is an ogive showing the distribution of the ages of workers in a factory.

['A: 31-35', 'B: 36-40', 'C: 41-45', 'D: 46-50']

B

FC064244_C5_Q17

9786294703681

Physics

Waves

Diagram 7 shows a water wave passing through a narrow gap. Which of the following characteristics of wave changes after passing through the narrow gap?

['A: Speed of wave', 'B: Frequency', 'C: Wavelength', 'D: Amplitude']

C

GG24SFI4_C2_Q13

9789837739635

Physics

Force and Motion I

The diagram below shows a velocity-time graph for a moving object. What is the displacement of the object in 12 s?

['A: 120 m', 'B: 60 m', 'C: -60 m', 'D: -120 m']

C

GG24SFI4_C4_Q8

9789837739635

Physics

Heat

100 g of water at 27° C is added into 100 g of water at 80°C. What is the final temperature of the water at thermal equilibrium?

['A: 45° C', 'B: 49° C', 'C: 53.5° C', 'D: 61.5° C']

C

QC174032_C7_Q32

9789672856504

Mathematics

nan

SMK Pelangi organises an educational game week for the students. Three types of games played in the week are Monopoly, Rubik's Cube and Scrabble. There are 36 students who participate in Scrabble, 38 participate in Rubik's Cube and 24 participate only in Monopoly. If both Scrabble and Rubik's Cube start at the same time whereas Monopoly starts at a different time, how many participants are there in the educational game week?

['A: 40', 'B: 74', 'C: 98', 'D: 122']

C

KM24SFI_C1_Q21

9789837740402

Physics

nan

Diagram 18 shows a compound microscope. The focal length of lens P is f_{P} and the focal length of lens Q is f_{Q}. Which statement is correct?

['A: f_{P} is longer than f_{Q}.', 'B: The power of lens P is greater than the power of lens Q.', 'C: The image for lens P is real whereas the image for lens Q is virtual.', 'D: The distance between lens P and lens Q at normal adjustment is equal to f_{P} + f_{Q}.']

A

FC065244_C5_Q20

9786294703582

Physics

Electronics

Diagram 12 shows a collector current, I_c against base current, I_B graph for a transistor. Calculate collector current if the base current supplied to the transistor is 40 mA.

['A: 4.0\\times10^3 A', 'B: 4.0\\times10^2 A', 'C: 4.0\\times10^1 A', 'D: 4.0\\times10^0 A']

D

FC065244_C3_Q13

9786294703582

Physics

Electricity

Which of the following factor will effect the resistivity?

['A: Length', 'B: Cross-sectional area', 'C: Resistance', 'D: Temperature']

D

FC065244_C3_Q17

9786294703582

Physics

Electricity

What is the similarity between potential difference, V and electromotive force, \varepsilon?

['A: Energy given to one Coulomb of charge flowing through the cell.', 'B: The work done to move one Coulomb of charge between two points in an electric field.', 'C: Measured using galvanometer', 'D: S.I. unit is Volt, V.']

D

KM24SFI_C3_Q33

9789837740402

Physics

nan

Diagram 23 shows an ideal transformer connected to a 6 V, 12 W bulb. What is the input current of the transformer?

['A: 0.05 A', 'B: 2.00 A', 'C: 5.00 A', 'D: 40.00 A']

A

KM24SMA_C1_Q23

9789837740372

Mathematics

nan

List all the common factors of 20fgh, 5f^{2}g and 10g^{2}h.

['A: 5, g', 'B: 1, 5, g', 'C: 1, 5, f, g', 'D: 1, 5, f, g, h']

B

FC064244_C3_Q16

9786294703681

Physics

Gravitation

A satellite is orbiting the Earth at a height of 310 km from the surface of the Earth. What is the orbital radius of the satellite? [Radius of the Earth=6.4\times10^3 km]

['A: 5610 km', 'B: 6017 km', 'C: 6517 km', 'D: 6710 km']

D

FC065244_C6_Q10

9786294703582

Physics

Nuclear Physics

Radioactive substances should be stored in containers made of

['A: iron', 'B: concrete', 'C: aluminium', 'D: lead']

D

KM24SFI_C2_Q9

9789837740402

Physics

nan

The scalding on the skin caused by steam is more painful than the scalding caused by boiling water. Which statement explains this situation?

['A: Steam has a higher temperature than boiling water.', 'B: Steam has a higher specific heat capacity than boiling water.', 'C: Steam releases more heat to the skin compared to boiling water.', 'D: Specific latent heat of vaporisation is higher than the specific heat capacity of water.']

D

KM24SMA_C1_Q20

9789837740372

Mathematics

nan

Kenice who is 28 years old plans to buy a life insurance policy of RM180 000. The premium rate is RM13.50 for every RM1 000 face value of the insurance. He plans to pay his premium in monthly instalments. For monthly payments, the premium will be increased by 2%. Calculate his monthly premium.

['A: RM202.50', 'B: RM206.55', 'C: RM2 430.00', 'D: RM2 478.60']

B

FC064244_C4_Q19

9786294703681

Physics

Heat

When water is boiled, the temperature remains constant although the heating process continues. Which statements explain the above process? I The energy supplied is used to break the bonds between the water molecules. II The energy supplied is used to break up the atoms in the water molecules. III The energy supplied is used to do work when water expands to form steam.

['A: I and II', 'B: I and III', 'C: II and III']

C

GG24SFI4_C2_Q4

9789837739635

Physics

Force and Motion I

Siew takes 1 hour to move from town P to town R as shown in the diagram below. What is the velocity of Siew from P to R?

['A: 2.78 m s^{-1}', 'B: 3.61 m s^{-1}', 'C: 4.17 m s^{-1}', 'D: 5.12 m s^{-1}']

B

FC064244_C6_Q29

9786294703681

Physics

Light and Optics

Diagram 13 shows a concave mirror. The distance between P and F is

['A: the focal length of the mirror.', 'B: the line joining the pole of spherical mirror to the centre of curvature.', 'C: radius of curvature of mirror.', 'D: image distance.']

A

GG24SFI4_C3_Q12

9789837739635

Physics

Gravitation

The diagram below shows an object is launched at a height of 1.0×10^6 m from the surface of the Earth. The mass of the Earth is 5.97×10^24 kg and the radius of the Earth is 6.37×10^6 m. What is the escape velocity of the object?

['A: 1.04×10^4 m s^{-1}', 'B: 1.15×10^4 m s^{-1}', 'C: 2.82×10^4 m s^{-1}', 'D: 7.34×10^4 m s^{-1}']

A

KM24SFI_C1_Q31

9789837740402

Physics

nan

Diagram 28 is a graph showing how the potential difference, V, across the terminals of a cell changes with the current, I, that passes through the cell. What is the internal resistance of the cell?

['A: 0.18\\Omega', 'B: 0.36\\Omega', 'C: 1.16\\Omega', 'D: 1.43\\Omega']

D

GG24SFI4_C6_Q32

9789837739635

Physics

Light and Optics

The diagram below shows a dental mirror used by a dentist to examine the teeth. Why is a concave mirror used as a dental mirror?

['A: A concave mirror produces real, inverted and diminished image.', 'B: A concave mirror produces real, upright and magnified image.', 'C: A concave mirror produces virtual, upright and magnified image.', 'D: A concave mirror produces virtual, upright and magnified image.']

B

KM24SMA_C5_Q30

9789837740372

Mathematics

nan

In Diagram 13, triangle PQS is the image of triangle RST under an enlargement at centre S. Calculate the scale factor of the enlargement.

['A: 1/3', 'B: 1/2', 'C: 2', 'D: 3']

D

FC065244_C6_Q22

9786294703582

Physics

Nuclear Physics

In a nuclear fission, the mass defect is 0.05 a.m.u. What is the nuclear energy produced? [Given 1 a.m.u. = 1.66\times10^{-27} kg, and c = 3.0\times10^{8} m s^{-1}].

['A: 7.47\\times 10^{-12} J', 'B: 4.50\\times 10^{-19} J', 'C: 8.31\\times 10^{-20} J', 'D: 9.06\\times 10^{-27} J']

A

GG24SFI4_C2_Q15

9789837739635

Physics

Force and Motion I

The diagram below shows an object is released from a height of 15 m. What is the velocity of the object just before it hits the ground?

['A: 13.25 m s^{-1}', 'B: 15.17 m s^{-1}', 'C: 17.16 m s^{-1}', 'D: 21.20 m s^{-1}']

C

QC174032_C12_Q2

9789672856504

Mathematics

Probability of Combined Events

Which of the following is a dependent event?

['A: Ahmad and Badrus passed the oral test.', 'B: Cindy wins the badminton competition on two consecutive days.', 'C: Two students are selected from a class as the school prefects. Dalsim and Evelyn who are classmates from the class, both are chosen as the school prefects.', 'D: Farah takes a pen from a pencil case and a book from her bag.']

C

QC174032_C14_Q24

9789672856504

Mathematics

nan

The speed-time graph shows the movement of a motorcycle in a period of 30 minutes. Calculate the average speed of the motorcycle for the whole journey, in km h^{-1}.

['A: 15', 'B: 35', 'C: 60', 'D: 100']

B

QC174032_C7_Q12

9789672856504

Mathematics

nan

Find the product of values of digit 1 and digit 2 in 1432_{5}.

['A: 10', 'B: 250', 'C: 625', 'D: 6250']

B

FC065244_C6_Q5

9786294703582

Physics

Nuclear Physics

The half-life of arsenic is 18 days. A sample contains a certain amount of arsenic. After 90 days, only 10 g of the arsenic still remains. What is the initial mass of the arsenic?

['A: 320 g', 'B: 160 g', 'C: 90 g', 'D: 10 g']

A

FC065244_C5_Q6

9786294703582

Physics

Electronics

Diagram 4 shows a shadow on the screen of a Maltese Cross Tube. What is the function of the fluorescent screen?

['A: To produce the electron beam', 'B: To turn the kinetic energy of electron into light', 'C: To control the intensity of electron beam', 'D: To accelerate the electron']

B

GG24SFI4_C4_Q6

9789837739635

Physics

Heat

A pot of water at a temperature of 30°C heated by an immersion heater with a power of 300 W for 6 minutes. Then, the temperature of water is increased to 70°C. What is the mass of the water? [Specific heat capacity of water=4 200 J kg^{-1} °C^{-1}]

['A: 525 g', 'B: 643 g', 'C: 708 g', 'D: 1020 g']

C

KM24SMA_C5_Q20

9789837740372

Mathematics

nan

Diagram 7 shows a Venn diagram with the universal set, {ξ}, set {R}, set S and set {T.} Given n(S)=n(R∪ T)^{\prime} , calculate the value of x.

['A: 1', 'B: 4', 'C: 5', 'D: 7']

B

FC065244_C2_Q1

9786294703582

Physics

Pressure

Which of the following does not affect pressure due to liquid acting on the object?

['A: Gravitational acceleration', 'B: Depth of liquid', 'C: Mass of object', 'D: Density of liquid']

C

KM24SMA_C5_Q34

9789837740372

Mathematics

nan

Diagram 16 shows a unit circle with centre O 0^{\circ}\leqslantθ\leqslant360^{\circ}. Calculate the angle of θ.

['A: 110^{\\circ}', 'B: 70^{\\circ}', 'C: 250^{\\circ}', 'D: 290^{\\circ}']

D

KM24SFI_C1_Q19

9789837740402

Physics

nan

Diagram 16 shows a light signal travelling through an optical fibre in an endoscope. X and Y represent the inner core and outer cladding of the optical fibre respectively. Which statement is true?

['A: There is light lost through the optical fibre.', 'B: Refraction of light occurs in the optical fibre.', 'C: Light ray in the optical fibre does not obey the laws of reflection.', 'D: The refractive index of X is higher than the refractive index of Y.']

D

KM24SFI_C2_Q29

9789837740402

Physics

nan

Which electrical appliance uses the highest electrical energy?

['A: Vacuum cleaner 500 W, 2 hours', 'B: Electric iron 1 100 W, 1 hour', 'C: Microwave oven 1.5 kW, 2 hours', 'D: Electric kettle 1.2 kW, 20 minutes']

C

FC065244_C7_Q4

9786294703582

Physics

Quantum Physics

Which of the followings is the experimental evidence that light energy is in discrete quantity known as photon?

['A: Visible light spectrum', 'B: Line spectrum of hydrogen gas', 'C: Production of X-rays', 'D: Diffraction of light by a diffraction grating']

B

QC174032_C8_Q3

9789672856504

Mathematics

Linear Inequalities in Two Variables

Which point satisfies 3y > 2x - 5?

['A: (4,0)', 'B: (0,-2)', 'C: (3,1)', 'D: (2,-1)']

C

GG24SFI4_C6_Q3

9789837739635

Physics

Light and Optics

A light ray from the air is directed towards a glass with an incident angle of 20°. Then, the light ray is refracted into the glass. Which of the following statements is correct?

['A: Angle of refraction>20°', 'B: Angle of refraction<20°', 'C: Angle of refraction=20°']

B

FC064244_C3_Q5

9786294703681

Physics

Gravitation

The Earth's mass is M and its radius is R. The gravitational acceleration on the Earth's surface is g. If G is the universal gravitational constant, which is the correct equation for g in terms of M, G and R?

['A: g= GMR', 'B: g= \\frac {GM}{R}', 'C: g= \\frac {GM}{R^2}', 'D: g= \\frac G{MR}']

C

FC064244_C4_Q7

9786294703681

Physics

Heat

Diagram 4 shows cold milk being poured into hot coffee. Which of the following statements is correct when the mixture is at the thermal equilibrium?

['A: Temperature of the mixture is lower than the cold milk.', 'B: Temperature of the mixture is higher than the hot coffee.', 'C: Net rate of heat transfer between the cold milk and the hot coffee is zero.', 'D: Net rate of heat transfer of the cold milk is lower than the hot coffee.']

C

GG24SFI4_C5_Q11

9789837739635

Physics

Waves

Which of the following will change when a wave undergoes diffraction?

['A: Wavelength', 'B: Frequency', 'C: Amplitude', 'D: Speed of the wave']

C

FC065244_C2_Q20

9786294703582

Physics

Pressure

Which physics principle is applied in the hydraulic jack?

["A: Archimedes' principle", "B: Pascal's principle", "C: Bernoulli's principle", 'D: Principle of conservation of energy']

B

GG24SFI4_C2_Q30

9789837739635

Physics

Force and Motion I

A stone is thrown upwards with velocity, u. It reaches a maximum height of 19.6 m. What is the magnitude of velocity u?

['A: 9.8 m s^{-1}', 'B: 11.4 m s^{-1}', 'C: 14.6 m s^{-1}', 'D: 19.6 m s^{-1}']

D

GG24SFI4_C2_Q33

9789837739635

Physics

Force and Motion I

The gravitational field strength on the Moon is \frac{1}{6} of the gravitational field strength on the Earth. What is the weight of an object of mass 42 kg on the Moon?

['A: 60 N', 'B: 69 N', 'C: 120 N', 'D: 412 N']

B

KM24SMA_C4_Q19

9789837740372

Mathematics

nan

A 138-cm long metal wire is bended to form a circular sector. If the angle at the centre of the sector is 105°, find the radius, in cm, of the sector formed. Use π=\frac{22}{7}

['A: 6.13', 'B: 13.78', 'C: 36', 'D: 94.91']

C

FC064244_C3_Q7

9786294703681

Physics

Gravitation

A radar imaging satellite orbits around the Earth at a height of 550 km with a linear speed of 6.44\times^6 m s^-1. What is the centripetal acceleration? [Radius of the Earth, R=6.37\times^6 m]

['A: 5.50 m s^-2', 'B: 5.99 m s^-2', 'C: 6.46 m s^-2', 'D: 6.51 m s^-2']

B

KM24SMA_C4_Q3

9789837740372

Mathematics

nan

\frac{5 \times 10^{7}}{40 \times 10^{-3}} = ?

['A: 1.25 \\times 10^{4}', 'B: 1.25 \\times 10^{9}', 'C: 8 \\times 10^{4}', 'D: 8 \\times 10^{9}']

B

FC064244_C4_Q28

9786294703681

Physics

Heat

An air column of 10 cm is trapped in a glass tube by a 4 cm of mercury as shown in Diagram 11.1. When the glass tube is held upright as shown in Diagram 11.2, what is the length, l of the air column? [Atmospheric pressure=76 cm Hg]

['A: 9.5 cm', 'B: 10.0 cm', 'C: 10.6 cm', 'D: 11.1 cm']

A

FC065244_C1_Q8

9786294703582

Physics

Force and Motion II

Diagram 6 shows a 0.7 kg box on an inclined plane. If the frictional force acting on the box is 3.0 N, calculate the maximum value of {\theta} before the box slide down the plane.

['A: 15^\\circ', 'B: 20^\\circ', 'C: 25^\\circ', 'D: 30^\\circ']

C

GG24SFI4_C3_Q9

9789837739635

Physics

Gravitation

Which of the followings is not true about satellite P?

['A: The direction of rotation is the same as the direction of rotation of the Earth.', 'B: Satellite is used in telecommunication.', 'C: Satellite is used in global positioning system.', 'D: It takes 24 hours to make one complete revolution.']

C

QC174032_C10_Q5

9789672856504

Mathematics

Measures of Dispersion of Ungrouped Data

A set of data consists of {x, 2, 3, 5, 12}. If the mean and variance of the data are 6 and 13.2 respectively, calculate the value of x.

['A: 64', 'B: 8', 'C: 5.83', 'D: 1']

B

QC174032_C7_Q37

9789672856504

Mathematics

nan

The diagram shows the travelling time from the vertex \nu_1 to the vertex \nu_5. The route from \nu_1 to \nu_5 with the shortest travelling time is

['A: \\nu_1, \\nu_2, \\nu_4, \\nu_5', 'B: \\nu_1, \\nu_3, \\nu_2, \\nu_4, \\nu_5', 'C: \\nu_1, \\nu_3, \\nu_4, \\nu_5', 'D: \\nu_1, \\nu_3, \\nu_5']

C

FC064244_C3_Q22

9786294703681

Physics

Gravitation

Which of the following factors affects the escape velocity of an object from the surface of the Earth? I Mass of the object, m II Mass of the Earth, M III Distance, r of the object from the centre of the Earth.

['A: I and II', 'B: I and III', 'C: II and III']

C

FC065244_C7_Q9

9786294703582

Physics

Quantum Physics

The energy of a photon of light is E. Which is the correct expression for its wavelength, \lambda?

['A: \\lambda = \\frac{hE}{c}', 'B: \\lambda = \\frac{E}{hc}', 'C: \\lambda = \\frac{hc}{E}', 'D: \\lambda = \\frac{Ec}{h}']

C

KM24SMA_C1_Q31

9789837740372

Mathematics

nan

Diagram 10 shows a unit circle with angle θ. Determine the value of tan θ.

['A: 0.4695', 'B: 0.5317', 'C: 0.8829', 'D: 1.8805']

D

FC065244_C4_Q19

9786294703582

Physics

Electromagnetism

The core of transformer is made of laminated soft iron core because

['A: it can reduce resistance.', 'B: it can increase voltage.', 'C: can reduce eddy current.', 'D: can reduce the leakage of magnetic flux.']

C

QC174032_C14_Q34

9789672856504

Mathematics

nan

What is the probability of tossing a die twice?

['A: \\frac{1}{3}', 'B: \\frac{1}{6}', 'C: \\frac{1}{18}', 'D: \\frac{1}{36}']

D

KM24SMA_C2_Q25

9789837740372

Mathematics

nan

In Diagram 10, square Q is the scale drawing of square P with a scale of 1:n. Given the perimeter of square P and the area of square Q are 18 cm and 324 cm^{2} respectively, calculate the value of n.

['A: 1/4', 'B: 1/2', 'C: 2', 'D: 4']

A

KM24SMA_C5_Q35

9789837740372

Mathematics

nan

In Diagram 17, VSW is the common tangent of the two circles at S. O is the centre of the circle {PQRSTU.} Calculate the value of x.

['A: 48', 'B: 52', 'C: 54', 'D: 56']

B

GG24SFI4_C2_Q34

9789837739635

Physics

Force and Motion I

When an object of mass 0.5 kg is falling freely, it means that

['A: its weight is 5 N.', 'B: its weight is increasing.', 'C: its weight is decreasing.', 'D: its apparent weight is zero.']

D

FC064244_C4_Q21

9786294703681

Physics

Heat

Some ice cubes are added to 400 g of water at 30^\circ{C}. The minimum temperature of the mixture of ice and water when all the ice cubes have melted is 8^\circ{C}. What is the mass of the ice cubes used? [Specific heat capacity of water = 4200\ J\ kg^{-1}\ ^{\circ}C^{-1}, Specific latent heat of fusion of ice = 3.34\times10^5 J kg^-1]

['A: 101 g', 'B: 111 g', 'C: 255 g', 'D: 402 g']

B

FC065244_C4_Q4

9786294703582

Physics

Electromagnetism

Which of the following can increase the speed of rotation of a direct current motor?

['A: Use nichrome wire as the coil.', 'B: Reduce distance between the two magnet.', 'C: Use carbon brush.', 'D: Reverse the terminal of power supply.']

B

KM24SMA_C1_Q28

9789837740372

Mathematics

nan

Diagram 8 shows two trapeziums, EFGH and PQRS, drawn on a Cartesian plane. It is given that PQRS is the image of EFGH under an enlargement. Find the coordinates of the centre of the enlargement.

['A: (0,5)', 'B: (1,5)', 'C: (5,0)', 'D: (5,1)']

D

GG24SFI4_C6_Q15

9789837739635

Physics

Light and Optics

The diagram below shows a light ray travelling from an ice block. What is the critical angle of the ice block?

['A: 33°', 'B: 38°', 'C: 43°', 'D: 47°']

C

GG24SFI4_C6_Q20

9789837739635

Physics

Light and Optics

A graph of \frac{1}{\nu} against \frac{1}{u} is plotted as shown in the diagram below. What is the focal length of the lens?

['A: 10 cm', 'B: 15 cm', 'C: 20 cm', 'D: 30 cm']

A

QC174032_C9_Q5

9789672856504

Mathematics

Motion Graph

The speed-time graph shows the motion of a tractor for a period of 10t seconds. The total distance travelled by the tractor in the period of 10t seconds is 510 m. Calculate the value of t.

['A: 6', 'B: 12', 'C: 18', 'D: 24']

A

KM24SFI_C2_Q6

9789837740402

Physics

nan

The gravitational pull of a satellite on the surface of the Earth of radius R is F. What is the gravitational pull on the satellite when its height is 2R above the Earth?

['A: \\frac {1}{2}F', 'B: \\frac {1}{3}F', 'C: \\frac{1}{9}F', 'D: 2F']

C

KM24SMA_C4_Q38

9789837740372

Mathematics

nan

The resistance of a wire, R, varies directly as the length of the wire, l, and inversely as the square of its diameter, d. A wire with 500 mm long and 0.4 mm in diameter has a resistance of 9 ohms. Calculate the length, in mm, of a wire that has a diameter of 0.6 mm and a resistance of 12 ohms.

['A: 1000', 'B: 1200', 'C: 1500', 'D: 1600']

C

QC174032_C14_Q12

9789672856504

Mathematics

nan

A survey was carried out on 56 customers showing that 24 of them liked coffee and 36 of them liked tea. There were 7 who disliked both drinks. Find the number of customers who liked both coffee and tea.

['A: 3', 'B: 4', 'C: 11', 'D: 20']

C

KM24SMA_C4_Q10

9789837740372

Mathematics

nan

In Diagram 3, PQR is a straight line. Calculate the value of x.

['A: 25', 'B: 35', 'C: 45', 'D: 55']

B

GG24SFI4_C1_Q2

9789837739635

Physics

Measurement

Which of the following physical quantities is not a derived quantity?

['A: Luminous intensity', 'B: Velocity', 'C: Area', 'D: Pressure']

C

KM24SMA_C5_Q13

9789837740372

Mathematics

nan

Diagram 4 shows a Venn diagram with the universal set, {ξ}, set {P}, set {R} and set {T.} Which of the following sets represents the shaded region?

['A: P∪ R∩ T', 'B: P∩ R∪ T^{\\prime}', 'C: P∩ R^{\\prime}∪ T^{\\prime}', 'D: P^{\\prime}∪ R∪ T']

B

KM24SMA_C5_Q5

9789837740372

Mathematics

nan

Factorise completely: 9y^{2}-9.

['A: (3y+3)(3y-3)', 'B: 9(y^{2}-1)', 'C: (9y+9)(9y-9)', 'D: 9(y+1)(y-1)']

D

KM24SMA_C1_Q17

9789837740372

Mathematics

nan

W varies inversely as the cube root of Z. State the relation between the variables W and Z.

['A: W = kZ^{\\frac{1}{3}}, k is a constant', 'B: W = kZ^{3}, k is a constant', 'C: W = \\frac{k}{Z^{\\frac{1}{3}}}, k is a constant', 'D: W = \\frac{k}{Z^{3}}, k is a constant']

C

KM24SMA_C2_Q11

9789837740372

Mathematics

nan

Diagram 3 shows a graph. Which of the following is correct?

['A: V=\\{P,Q,R,S,T\\}', 'B: E=\\{(P,Q),(P,S),(Q,R),(R,R),(R,S),(S,T),(S,T)\\}', 'C: d_{in}(R)=2', 'D: U is an isolated vertex']

D

QC174032_C11_Q5

9789672856504

Mathematics

nan

Which of the following system of linear inequalities defines the shaded region in the diagram?

['A: y ≥ 0, y ≥ 2x, y < x + 1', 'B: y ≥ 0, y ≥ x, y < 2x + 1', 'C: x ≥ 0, y ≥ 2x, y < x + 1', 'D: x ≥ 0, y ≥ x, y < 2x + 1']

A

KM24SMA_C4_Q25

9789837740372

Mathematics

nan

In Diagram 11, QPT and RTS are right-angled triangles. Given that tan ∠ QRS = -\frac{3}{4}, find the value of \sin ∠ PTQ.

['A: \\frac{3}{5}', 'B: \\frac{8}{17}', 'C: \\frac{15}{17}', 'D: \\frac{15}{8}']

C

GG24SFI4_C2_Q28

9789837739635

Physics

Force and Motion I

The diagram below shows a bullet of mass 10 g with a velocity of 120 m s^{-1} hitting a block. The bullet penetrates the block and stops at 8.0 cm. What is the magnitude of impulse on the bullet?

['A: 1.0 N s', 'B: 1.2 N s', 'C: 7.2 N s', 'D: 10.0 N s']

B

QC174032_C1_Q1

9789672856504

Mathematics

Function and Quadratic Equation in One Variable

Which of the following is a quadratic expression in one variable?

['A: k^{3} - k + 5', 'B: 1 - \\frac{1}{2}m - \\frac{1}{3}m^{2}', 'C: \\frac{6n - 2}{3}', 'D: p^{2} + q - 10']

B

QC174032_C3_Q3

9789672856504

Mathematics

Logic Reasoning

Which consequent is suitable for the following incomplete implication? If f(x) = nx^{4+2n} + nx^{4+3n} + n is a quadratic function, then

['A: n=-1', 'B: n=0', 'C: n=\\frac{1}{2}', 'D: n=1']

A

GG24SFI4_C2_Q23

9789837739635

Physics

Force and Motion I

The diagram below shows an experiment carried out by a student. What will happen to strings X and Y if the student pulls down the weight slowly?

['A: String X will snap', 'B: String Y will snap', 'C: Strings X and Y will snap', 'D: Nothing happen to the strings X and Y']

A

KM24SMA_C2_Q21

9789837740372

Mathematics

nan

Diagram 9 shows a shaded region defined by three inequalities. Determine a linear inequality other than x ≥ 0 and y ≥ 0 that defines the shaded region.

['A: x + y > 6', 'B: x + y ≥ 6', 'C: x + y < 6', 'D: x + y ≤ 6']

A

KM24SMA_C4_Q7

9789837740372

Mathematics

nan

2\begin{bmatrix}-1&-3&2\\4&0&1\end{bmatrix}-\begin{bmatrix}3&-8&4\\-2&7&6\end{bmatrix} = ?

['A: \\begin{bmatrix}-6&2&2\\\\6&0&1\\end{bmatrix}', 'B: \\begin{bmatrix}-6&2&0\\\\10&-7&-4\\end{bmatrix}', 'C: \\begin{bmatrix}-5&2&0\\\\6&7&-4\\end{bmatrix}', 'D: \\begin{bmatrix}-5&2&0\\\\10&-7&-4\\end{bmatrix}']

D

KM24SMA_C4_Q9

9789837740372

Mathematics

nan

Puad has RM100. He buys x pencils which cost 80 sen each. Then, he divides the balance of money equally among y friends. How much money does each friend receive?

['A: RM \\left ( 500- \\frac {4x}{5y}\\right )', 'B: RM \\left(\\frac{500-4x}{5y}\\right)', 'C: RM \\left ( 100- \\frac {80}{y}\\right )', 'D: RM \\left(\\frac{100-80x}{y}\\right)']

B

FC065244_C1_Q7

9786294703582

Physics

Force and Motion II

Diagram 5 shows a box being pulled by a string with a 50 N force on a rough surface. The box moves with constant acceleration. Which of the following changes reduces the acceleration of the box?

['A: Increase the angle from 40^\\circ to 60^\\circ.', 'B: Decrease the angle from 40^\\circ to 20^\\circ.', 'C: Pull the object on a smoother surface.', 'D: Use object with smaller mass.']

A

GG24SFI4_C3_Q5

9789837739635

Physics

Gravitation

The diagram below shows the Moon revolving around the Earth. The force that pulls the Moon towards the Earth is 2.01×10^{20} N. What is the distance between the Earth and the Moon? The mass of the Earth is 5.97×10^{24} kg and the mass of the Moon is 7.35×10^{22} kg.

['A: 1.92×10^{5} km', 'B: 3.82×10^{5} km', 'C: 4.12×10^{5} km', 'D: 3.74×10^{6} km']

B

KM24SMA_C5_Q6

9789837740372

Mathematics

nan

Given X varies directly as Y and inversely as the square root of Z. If {X=\frac{1}{8}} when {Y=\frac{9}{4}} and {Z=144}. Calculate the value of Z when X= 5 and Y= 45.

['A: 6', 'B: 25', 'C: 36', 'D: 49']

C

KM24SMA_C5_Q26

9789837740372

Mathematics

nan

Diagram 10 shows two straight lines, PQ and RST. Given the gradient of PQ is - \frac{5}{4}. Calculate the value of h.

['A: 4', 'B: 5', 'C: 10', 'D: 12']

C

GG24SFI4_C5_Q9

9789837739635

Physics

Waves

Which of the following physical quantities is unchanged when the wave is refracted to a medium?

['A: Direction', 'B: Speed', 'C: Frequency', 'D: Wavelength']

C

QC174032_C7_Q6

9789672856504

Mathematics

nan

Calculate the value of x that satisfies the quadratic equation \frac{nx^{\frac{n}{3}}}{2} - (n-x)(x+1) = 0.

['A: -2', 'B: -0.75', 'C: -0.5', 'D: 0.5']

B

GG24SFI4_C3_Q2

9789837739635

Physics

Gravitation

The diagram below shows a man of mass 54 kg stands on the surface of the Earth. What is the force acting on the man by the Earth? [Gravitational constant, G=6.67×10^{-11} Nm^2 kg^{-2}] [Mass of Earth, M=5.97×10^{24} kg] [Radius of Earth, R=6.37×10^6 m]

['A: 3.87×10^{3} N', 'B: 2.56×10^{3} N', 'C: 5.30×10^{2} N', 'D: 5.40×10^{2} N']

C

FC064244_C2_Q28

9786294703681

Physics

Force and Motion I

The relationship between action and reaction is explained in

["A: Newton's First Law of Motion", "B: Newton's Second Law of Motion", "C: Newton's Third Law of Motion", "D: Newton's Universal Laws of Gravitation"]

C

KM24SFI_C2_Q13

9789837740402

Physics

nan

Diagram 7 shows a wave barrier being built around a jetty. Which quantity decreases when waves pass through the gap between the wave barrier?

['A: Amplitude', 'B: Frequency', 'C: Wavelength', 'D: Speed']

A

QC174032_C7_Q14

9789672856504

Mathematics

nan

A secret code is expressed as a number in base five from 8^{3} + 6 × 8 + 3. What is the secret code?

['A: 4223_5', 'B: 4220_5', 'C: 3314_5', 'D: 3100_5']

A

KM24SFI_C3_Q20

9789837740402

Physics

nan

Diagram 14 shows an object with a height of 1 cm placed in front of a convex lens. The image produced has a height of 2 cm. What is the distance of the image from the lens?

['A: 4.5 cm', 'B: 9.0 cm', 'C: 18.0 cm', 'D: 27.0 cm']

C

QC174032_C14_Q4

9789672856504

Mathematics

nan

Which digit in the number 1346_{7} has the value of 147?

['A: 1', 'B: 3', 'C: 4', 'D: 6']

B

FC065244_C3_Q2

9786294703582

Physics

Electricity

Given a potential difference of a power supply is 500 V. Calculate the distance between two parallel plates that will produce an electric field with a strength of 2500 N C^{-1}.

['A: 10 cm', 'B: 20 cm', 'C: 30 cm', 'D: 40 cm']

B

KM24SFI_C3_Q37

9789837740402

Physics

nan

Diagram 27 shows a curved graph for caesium, Cs-137, which is used in medical radiation therapy devices to treat cancer. What is the value of the activity of Cs-137 when it falls \frac{1}{8} of its original value?

['A: 80', 'B: 60', 'C: 40', 'D: 20']

D