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WorksheetsPhy F4 ASSESMENT PAPER (2)
Total questions: 50
Worksheet time: 50mins
Which pair of physics quantity and SI unit is wrong?
Physics quantity: Electric current, SI Unit: Ampere
Physics quantity: Work, SI Unit: Joule
Physics quantity: Pressure, SI Unit: Pascal
Physics quantity: Weight, SI Unit: Kilogram
Diagram I shows two identical eggs are dropped from different height, h1 and h2, onto a floor. Which inference is correct?
Impulsive force depends on gravitational force
Impulsive force depends on time of impact
Impulsive force depends on velocity of egg
Impulsive force depends on mass of egg
Diagram 2.1 shows the zero error of a vernier caliper. Diagram 2.2 shows the reading Of the diameter of a beaker when this vernier caliper is used. What is the corrected value of the diameter of the beaker?
5.03 cm
5.05 cm
5.13 cm
5.15 cm
Diagram 3 shows the method of measuring a diameter of a ping pong ball. What is the radius of the ping pong ball?
5.60 cm
2.80 cm
0.70 cm
0.35 cm
Diagram 4 shows a velocity-time graph for a motion of an object. What is the displacement of the object?
150 cm
200 cm
300 cm
350 cm
The volume of water in a swimming pool is 500 m3. What is the mass of the water if the density of the water is 1000 kg m-3?
2 kg
2000 kg
5000 kg
500 000 kg
Diagram 5 shows a car and a lorry. The car moves ahead of the lorry when the traffic light turns green because
The inertia of the lorry is bigger than the car
The engine power car is bigger than the
The length of the lorry is more than the car
The height of the lorry is more than the car
The unbalanced forces that act on a moving object could make the object
decelerates
stationary
moves with constant velocity
A lorry travelled at a velocity of 20 m s-1. What is its velocity in km h-1?
36 km h-1
72 km h-1
108 km h-1
144 km h-1
The density of an object depends on its
mass and volume
mass and acceleration
mass and velocity
mass and gravitational field strength
Which graph shows that F is directly proportional to a?
Diagram 6 shows a rifle firing a bullet. What is the physics concept that makes the rifle to recoil?
Impulsive force
Momentum
Pressure
Impulse
Diagram 7 shows a pendulum oscillates in air. Which displacement-time graph describes the motion of the bob?
Diagram 8 shows two balls each of mass 0.5 kg before and after collision. The initial velocity of ball A and ball B are 10 m s-1 and 5 m s-1 respectively. After collision, both balls move together in the direction Of their initial velocity. What is the velocity of both balls after collision?
15 m s-1
7.5 m s-1
5.0 m s-1
2.5 m s-1
Which situation shows forces are in equilibrium?
A car moving with 110 km h-1
A ship slowing down
An aeroplane landing on the runway
A runner speeding in 100 m race
Diagram 9 shows a stone is thrown vertically upwards at a velocity Of 15 m s-1. What is the maximum height reached by the stone?
11.25 m
22.50 m
45.00 m
90.00 m
Which type of shoes is the most suitable to wear on beaches?
For a fixed mass gas, the volume of the gas is directly proportional to its absolute temperature when its pressure is kept constant. The above statement is
Boyle's Law
Hooke's Law
Charles' Law
Newton's First Law of motion
Hooke's Law states that the extension of a spring is directly proportional to the applied force provided the elastic limit is not exceeded. Which graph represents relationship between extension Of a spring, x and force, F?
Diagram 10 shows three identical springs with the original length of 10.0 cm. What is the length of X?
10 cm
12 cm
14 cm
15 cm
Diagram 11 shows a hotel porter pushes a trolley of luggage. What is the total downward force acting on the floor?
80 N
200 N
600 N
800 N
Diagram 12 shows a baby is sleeping in a cradle. The energy stored in the spring
elastic potential energy.
gravitational potential energy
kinetic energy
heat energy
Diagram 13 shows a submarine in the sea. Which changes will decrease the upward force on the submarine?
Decreases the depth of the submarine
Increases the depth of the submarine
Fill the ballast tank with water
Empty the ballast tank
Diagram 14 shows an object with mass of 20 kg, acting on a piston P in a hydraulic system to support another object with mass of 100 kg at piston Q. What is the ratio of surface area of piston P to piston Q?
1 : 5
5 : 1
10 : 1
1 : 10
Diagram 15 shows force F1, 200 N exerted on a small
piston producing pressure 5000 Pa. Pressure of 5000 Pa is transferred to the large piston to produce pressure P2 acts on a car of 8000 N in weight. Which Of the following is correct?
Pressure, P2 = 40 Pa
Pressure, P2 = 200 000 Pa
Area of small piston = 0.04 m2
Area of large piston = 25 m2
Diagram 16 shows a sharp knife is used to slice through a soft sandwich. If the force used is 5 N and the area of the knife that cut the sandwich is 0.005 m2, calculate the pressure acting on the sandwich.
0.005 Pa
0.025 N
5 Pa
1000 Pa
Diagram 17 shows water with different depth spurts out of their containers. Spurt distance for each liquid is p, q and r cm. Which arrangement is correct?
p < r < q
p = q = r
q > p > r
r > q > p
Diagram 18 shows head-rest inside of a car. The head-rest is designed to
increase the time of collision.
prevent the neck from snapping.
reduce impulsive forces on the car.
decrease the rate of change in momentum.
1 N is equivalent to
1 kg m s-1
1 m s-1
1 kg m s-2
1 kg s-1
The diagram shows a girl of 500 N in weight skiing with a pair of skis with a total base area of 250 cm2. What is the pressure exerted by the girl?
2000 Pa
7500 Pa
15 000 Pa
20 000 Pa
Diagram below shows a Bunsen burner. Which statement is correct when the gas flow into the Bunsen burner?
Pressure at P is greater than at Q.
Pressure at P and Q is the same
Velocity of air at Q and R is the same
Velocity of air at R is greater than at Q
Diagram 21 shows a balloon when it is pushed deeper into the water. What is the volume of the balloon if the new depth is 15 m? (Atmospheric pressure = 10 m H2O)
10 cm3
20 cm3
25 cm3
50 cm3
Diagram 22 shows a manometer connected to a gas supply. Which comparison about pressure at P, Q and R is correct if the atmospheric pressure is 76 cm Hg?
Pressure at P = Pressure at R
Pressure at P = Pressure at R + h cm Hg
Pressure at R = Pressure at Q + h cm Hg
Pressure at R = 76 cm Hg + h cm Hg
Diagram 23 shows the apparatus to measure gas pressure. What is the gas pressure?
4 cm Hg
16 cm Hg
20 cm Hg
80 cm Hg
Diagram 24 shows a ping pong ball floating on the surface of water. Which statement is correct?
Buoyant force > Weight of the ping pong ball
Buoyant force < Weight of the ping pong ball
Buoyant force = Weight of ping pong ball
Density of the ping pong ball = Density of water
Diagram 25 shows a clinical thermometer is placed under the tongue for a few minutes before taking the reading of our body temperature. Which statement is incorrect when thermal equilibrium is reached?
Energy is transferred at equal rate between patient and the clinical thermometer.
Temperature of the patient and the clinical thermometer are unchanged.
There is no net gain or net loss of energy between the patient and the clinical thermometer.
The patient and the clinical thermometer have the same temperature.
Two metal blocks of the same mass, K and L with same initial temperature of 80 ° C are cooled down for 10 minutes. After 10 minutes, the temperature of metal block L is lower than the temperature of metal block K. Which comparison is correct?
Specific latent heat of K > Specific latent heat of L
Specific latent heat of K < Specific latent heat of L
Specific heat capacity of K < Specific heat capacity of L
Specific heat capacity of K > Specific heat capacity of L
Diagram 26 shows a pot. Why is the pot's base is
made of low specific heat capacity material?
To increase the stability of the pot
To reduce the weight of pot
To increase the temperature faster
To reduce the expansion of the pot
Diagram 27 shows 1 kg of liquid X being heated using an electric heater. The temperature of the liquid X will increase slower if
liquid X has higher specific heat capacity
increase the time of heating
decrease the mass of liquid X
cover the beaker with insulator
Which graph shows the correct relationship between the volume and the pressure of gas in Boyle's Law?
Diagram 28 shows two beakers with the same volume and initial temperature of liquid X and liquid Y. Both beakers are then heated with the same amount of heat energy. If the specific heat capacity of liquid X is bigger than specific heat capacity of liquid Y, which comparison is correct about the reading of thermometer P and thermometer Q?
Reading of thermometer P > Reading of thermometer Q
Reading Of thermometer P < Reading of thermometer Q
Reading Of thermometer P = Reading of thermometer Q
Diagram 29 shows an air-tight cylinder with a piston. Force, F is applied onto the piston to move it from position A to position B. Find the new air pressure if the original pressure is 200 Pa.
100 Pa
150 Pa
200 Pa
250 Pa
Diagram 30 shows a boy standing in front of a plane mirror in a distance of 4.0 m. What is the distance between the boy and his image when the mirror is moved 0.75 m away from the boy?
8 m
8.75 m
9.5 m
11 m
Diagram 31 shows a ray of light entering a transparent glass block. What is the refractive index of the glass block?
1.59
1.85
1.93
2.25
Diagram 32 shows a light ray propagating from glass into water. If the refractive index of the glass is 1.5 and water is 1.2, what happened to the light ray in the water?
Refracts towards normal
Refracts away from normal
Experiences total internal reflection
Reflects with the same angle as the incidence angle
Which equipment does not use total internal reflection?
Binocular
Periscope
Optical fibers
Microscope
Diagram 33 shows an apparatus set-up of an experiment to investigate the relationship between object distance, u and image distance, v of a convex lens. Which change increases the image distance, v?
A plastic container is filled with water to a depth of 0.5 m. What is the apparent depth of the coin? (Refractive index of water is 1.33)
0.275 m
0.315 m
0.376 m
1.405 m
Which arrangement of objective lens, Lo, eyepiece lens, Le and position of image, I is correct for a microscope at normal adjustment?
Diagram 35 shows a beam of light travelling from air to a glass block. What is the refractive index of medium X?
1.31
1.42
1.56
2.32
