WorksheetsPhysics Home UF1
Total questions: 50
Worksheet time: 49mins
The density of a substance is 10 598 kg m−3. State the density in g cm−3.
0.10598
1.0598
10.598
105.98
Which of the following physical quantities is not a vector quantity?
Force
Momentum
Pressure
Acceleration
The can rolls over twice. What is the circumference (distance all round) of the can?
13 cm
14 cm
26 cm
28 cm
Diagram shows the scale of a micrometer screw gauge. Which reading is shown?
5.64 mm
7.14 mm
7.16 mm
7.64 mm
Diagram shows the width of an object measured by a pair of vernier caliper. What is the width of the object?
6.48 cm
6.49 cm
7.28 cm
7.48 cm
Which of the following graphs shows that P is inversely proportional to Q?
Which of the following about the zero error is true?
Can be positive or negative.
Can be eliminated by repeating the measurement and obtaining the average value.
Will become bigger if the range of the scale is bigger.
Will become bigger when the reading is bigger.
Diagram shows a ticker tape for the movement of a trolley. If the frequency for one tick is 50 Hz, calculate the acceleration of the trolley.
25 cm s−2
7 500 cm s−2
1 500 cm s−2
1 250 cm s−2
Diagram shows a graph of acceleration, a, of a toy car, against time, t. The toy car moves from rest.
Determine the distance traveled in the first 8 seconds.
0.375 m
24 m
96 m
192 m
Both trolley carry identical wooden blocks R and S.
What will happen to the wooden block R and S when trolley P collides with stationary trolley Q?
Diagram shows trolley X moves on a frictionless plane and collides with the stationary trolley Y.
Which of the following statements is not true after the collision?
The trolleys move together with a common velocity.
The momentum before and after the collision is conserved.
The total energy before and after the collision is conserved.
The total kinetic energy before and after the collision is conserved.
Diagram shows a car with a mass of 900 kg moving with an acceleration of 6 m s−2. The frictional force acting on the car is 600 N.
Calculate the force exerted by the engine of the car.
600 N
4 800 N
5 400 N
6 000 N
Diagram shows a boy running up a hill at a constant speed. Which physical quantity increases as the boy is running up the hill?
Momentum of the boy
Acceleration of the boy
Kinetic energy of the boy
Workdone of the boy
Diagram shows two steel ball bearings, P and Q, being dropped near the surface of the earth. Which are the correct velocity-time graphs for the motion of P and Q?
A ball is released from rest and rolls down a track from the position shown.
What is the furthest position the ball could reach?
A
B
C
D
Which diagram shows the child exerting least pressure on the ground?
Which of the following is not a way to reduce the impulsive force?
A thicker mattress is used in the high jump event.
A car has a crumple zone.
Ships are designed in streamlined shape.
An athlete bends his knees when landing in the long jump event.
Diagram shows firemen holding a hose which is spraying out water. Several firemen are needed to hold the hose
to support the weight of the hose.
to increase the mass of water coming out.
to increase the speed of the water in the forward direction.
to reduce the large recoil effect.
Diagram shows a brick of mass 2 kg being dropped from the top of a tall building.
At the moment before touching the ground, the velocity of the brick is 15 m s-1.
The brick comes to a stop 1.2 seconds after touching the ground. What is the magnitude of the impulsive force acting on the brick?
12.5 N
25 N
29 N
250 N
Why are the strings of a badminton racket fixed in a tight condition?
To increase the impact time with the shuttlecock.
To reduce the impact time with the shuttlecock.
To reduce the momentum with the shuttlecock.
To increase the friction with the shuttlecock.
A feather and a coin are released together in a long perspex tube which is a vacuum. What physical quantity remains constant for both the feather and the coin?
Kinetic energy
Pull of gravity
Potential energy
Velocity
The time taken for an object to fall from a height of h m from the earth’s surface is t s. If the gravitational acceleration on the moon is 1.6 m s-2, compare the time taken of the object to fall from the same height on the moon.
Same as t
Less than t
Longer than t
When an object is in equilibrium of forces, the object
must be stationary.
must move with a uniform velocity.
is either stationary or moving with a uniform velocity.
either moves with a uniform velocity or with a uniform acceleration.
Diagram shows a spring that is being pulled by two forces of 10 N each. The spring is in equilibrium. The angle θ is
15o
30o
45o
60o
Diagram shows a metal block being pushed to a depth of h cm from the water surface. P is the total pressure acting on surface T.
Which of the following graphs shows the relationship between P and h when the block is pushed deeper into the water?
Given that the pressure of sea water at the bottom of an ocean is 2.55 × 107 N m−2, calculate the depth of the ocean.
[Density of water = 1 000 kg m−3 and atmospheric pressure = 1.0 × 105 Pa]
2.56 × 103 m
2.56 × 104 m
2.54 × 103 m
2.54 × 104 m
Diagram shows two fish, S and T, in a lake and a fish, U in a sea. The pressure of water exerted on the fish is PS, PT and PU respectively.
PU > PT > PS
PU < PT < PS
PU = PT = PS
PU = PT > PS
180 g of soft drink is mixed with 510 cm3 of water. The volume of the mixture becomes 750 cm3.
Calculate the density of the mixture.
[Density of water is 1 g cm−3]
0.24 g cm−3
0.68 g cm−3
0.92 g cm−3
1.09 g cm−3
Diagram shows a bowl of hot water is covered with an airtight lid and left to cool.
The lid is difficult to lift when the water is cold because
the air pressure inside the bowl is less than the atmospheric pressure
the air pressure inside the bowl is more than the atmospheric pressure
the air pressure inside the bowl is equal to the atmospheric pressure
the number of air molecules in the bowl has decreased
Diagram shows a simple barometer.
What happen to the height of the mercury, h, in glass tube when mercury is added to the container?
The height of the mercury in glass tube increases and then decreases
The height of the mercury in glass tube remains the same
The height of the mercury in glass tube increases
The height of the mercury in glass tube decreases
Diagram shows an excavator using the shovel and arm to carry the soil.
Which principle is used in the arm of the excavator?
Principle of equilibrium of forces
Archimedes's principle
Bernoulli's principle
Pascal's principle
Diagram shows a simple hydraulic system which consists of three cylinders with different cross-sectional areas A1, A2 and A3. F1, F2 and F3 are the forces which act on the piston.
Which comparison is correct?
Pressure at A1 = pressure at A2 = pressure at A3
Pressure at A1 > pressure at A2 > pressure at A3
Pressure at A1 > pressure at A2 = pressure at A3
Pressure at A1 < pressure at A2 = pressure at A3
Diagram shows a manometer connected to a container filled with gas.
What is the pressure, Pgas, inside the container?
Pgas = hpg
Pgas = Patm + hpg
Pgas = Patm − hpg
Pgas = hpg − Patm
Diagram shows two identical objects, W and X, which are in contact. The initial temperature of W and X are 30°C and 20°C respectively.
Which statement is correct about W and X when the thermal equilibrium is reached?
Temperature of W is higher than X
Net rate of heat flow between W and X is zero
The quantity of heat in W is the same as in X
Rate of change in temperature of W is bigger then that of X
The air pressure in a container is 2.9 Pa at the temperature of 42°C.
When the air pressure increases to 5.8 Pa, the temperature of the air is
84.00 °C
178.50 °C
357.00 °C
630.00 °C
Diagram shows a light ray directed to water.
Which statement is correct?
When the light enters the water, the light refracts towards normal
When the light enters the water, the brightness of light increases
The refracted angle is larger than the incident angle
The refracted angle is equal to the incident angle
Diagram shows a light ray P travelling from water to air at an angle of incidence of 45°.
If the critical angle of water is 45°, choose the correct path of light after passing through point O?
OT
OS
OR
OQ
Diagram shows the appearance of the word MALAYSIA as seen through a magnifying lens.
Which light phenomenon explains this situation?
Total internal reflection
Refraction
Diffraction
Reflection
Which of the following diagrams shows the correct path of the light ray for a magnifying glass?
Diagram shows the formation of the image of an object by a convex lens.
Given that the height of the object is 5 cm, find the height of the image.10
15 cm
10 cm
3 cm
2 cm
Diagram shows a wave is represented by a graph of displacement-distance. The frequency of the wave is 8 Hz.
Calculate the velocity of the wave.
2 cm s−1
128 cm s−1
80 cm s−1
160 cm s−1
Diagram shows waves are reflected by a reflector.
Which comparison is correct for the incident waves and the reflected waves?
The wavelength of the reflected waves is shorter than that of the incident waves
The speed of the reflected waves is lower than that of the incident waves
The angle of reflected waves is greater than that of the incident waves
Reflected waves and incident waves are at different directions
Diagram shows waves on the sea.
Which points are one wavelength apart?
P and R
Q and S
Q and T
S and T
Diagram shows a patient having her eyes tested. A chart with letters on it is placed behind her and she sees the chart reflected in a plane mirror.
How far away the image of the chart from the patient is?
2 m
5 m
4 m
7 m
Which of the following are the characteristics of the image formed on a plane mirror?
Inverted, same size as the object and real
Upright, same size as the object and real
Upright, magnified and laterally inverted
Laterally inverted, same size as the object and virtual
Diagram shows a mercury-in-glass thermometer. The distance between the –10 °C and the 110 °C markings is 25 cm.
Which temperature is the end of the mercury thread 15 cm from the –10 °C mark?
50 oC
60 oC
62 oC
72 oC
What is the name given to the amount of energy needed to turn 5 kg of water at 100 °C into steam at 100 °C?
heat capacity
latent heat
specific heat capacity
specific latent heat
Which equipment is not works based on the Bernoulli’s principle?
Hydraulic jack
Bunsen burner
Vacuum cleaner
Diagram shows three arrangements of springs, X, Y and Z. All the springs are identical.
Which comparison is correct about the extension of X, Y and Z?
X < Y < Z
Z < Y < X
Y < Z < X
X < Z < Y
Why are the front and rear sections of a car designed to crumple easily?
To increase impact time
To decrease momentum
To increase friction
To decrease friction
