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Review Physics A Level (Nov 2025)

Total questions: 84

Worksheet time: 4hrs 12mins

Name
Class
Date
1.

What is a reasonable estimate for the density of sand?

a)

2 x 102 g cm-3

b)

2 x 103 g cm-3

c)

2 x 101 kg m-3

d)

2 x 103 kg m-3

2.

Which physical quantity could have units of N s2 m–1?

a)

acceleration

b)

force

c)

mass

d)

momentum

3.

The table shows some measurable quantities.

Which row gives the correct order of magnitude of the measurable quantity in the stated unit?

a)

A

b)

B

c)

C

d)

D

4.

A wave has a frequency of 5 GHz.

What is the period of the wave?

a)

200 ps

b)

2 ns

c)

20 ns

d)

20000 μs

5.

At temperatures close to 0 K, the specific heat capacity c of a particular solid is given by c = bT 3, where T is the temperature and b is a constant, characteristic of the solid.

The SI unit of specific heat capacity is J kg–1 K–1.

What is the unit of constant b, expressed in SI base units?

a)

m2 s-2 K-3

b)

m2 s-2 K-4

c)

kg m2 s-2 K-3

d)

kg m2 s-2 K-4

6.

Four students measure a time interval that is known to be 1.734 s.

The measurement recorded by each student is shown.

Which measurement is the most accurate?

a)

1 s

b)

1.7 s

c)

1.83 s

d)

1.604 s

7.

Find the reading of the vernier caliper on the diagram.

(a)  

8.

Find the reading of the vernier caliper on the diagram.

(a)  

9.

Find the reading of the vernier caliper on the diagram.

(a)  

10.

What are the units of weight?

a)

Kilogram

b)

Newtons

c)

Grams

d)

Pascals

11.

The diameter of a cylindrical metal rod is measured using a micrometer screw gauge. The diagram below shows an enlargement of the scale on the micrometer screw gauge when taking the measurement.

What is the cross-sectional area of the rod?

a)

3.81 mm2

b)

11.4 mm2

c)

22.8 mm2

d)

45.6 mm2

12.

Unit of momentum is ?

a)

kg ms\frac{kg\ m}{s}  

b)

kgm2kgm^2  

c)

kg ms2\frac{kg\ m}{s^2}  

d)

none of these

13.

Which pair of quantities contains one vector and one scalar quantity?

a)

displacement; force

b)

kinetic energy; power

c)

acceleration; momentum

d)

velocity; distance

14.

Which list contains only scalar quantities?

a)

area, length, displacement

b)

kinetic energy, speed, power

c)

potential energy, momentum, time

d)

velocity, distance, temperature

15.

A cyclist has a speed of 5 ms–1 and a small car has a speed of 12 ms–1.

Which statement does not give a reasonable estimate?

a)

The kinetic energy of the cyclist is 1 × 103 J.

b)

The kinetic energy of the car is 7 × 104 J.

c)

The momentum of the cyclist is 4 × 102 kg m s-1.

d)

The momentum of the car is 2 × 105 kg m s-1.

16.

Acceleration (a) is measured in...

a)

m/s

b)

m/s2

c)

m/s3

d)

m*s

17.
Which of the following quantities are vectors?
a)
speed, velocity, acceleration
b)
velocity, acceleration, force
c)
force, acceleration, mass
d)
length, mass, time
18.

1. In an experiment, a radio-controlled car takes 2.50 ± 0.05s to travel 40.0 ± 0.1m.

What is the car’s average speed and the uncertainty in this value?

a)

16 ± 1ms-1

b)

16.0 ± 0.2ms-1

c)

16.0 ± 0.4ms-1

d)

16.00 ± 0.36ms-1

19.

A mass is dropped from rest, and falls through a distance of 2.0m in a vacuum. An observer records the time taken for the mass to fall through this distance using a manually operated stopwatch and repeats the measurements a further two times. The average result of these measured times, displayed in the table below, was used to determine a value for the acceleration of free fall. This was calculated to be 9.8ms-2.


Which statement best relates to the experiment?

a)

The measurements are precise and accurate with no evidence of random errors.

b)

The measurements are not accurate and not always recorded to the degree of precision of the measuring device but the calculated experimental result is accurate.

c)

The measurements are not always recorded to the degree of precision of the measuring device but are accurate. Systematic errors may be present.

d)

The range of results shows that there were random errors made but the calculated value is correct so the experiment was successful.

20.

The speed of a car is calculated from measurements of the distance travelled and the time taken. The distance is measured as 200m, with an uncertainty of ±2m. The time is measured as 10.0s, with an uncertainty of ±0.2s. What is the percentage uncertainty in the calculated speed?

a)

±0.5%

b)

±1%

c)

±2%

d)

±3%

21.

In an experiment to determine the acceleration of free fall g, the time t taken for a ball to fall through distance s was measured. The uncertainty in the measurement of s is estimated to be 2%. The uncertainty in the measurement of t is estimated to be 3%. The value of g is determined using the equation:

g=2st2g=\frac{2s}{t^2}

 What is the uncertainty in the calculated value of g?

a)

1%

b)

5% 

c)

8% 

d)

11%

22.

Four students each made a series of measurements of the free fall g. The table shows the results obtained. Which set of results could be described as precise but not accurate?

a)

А

b)

В

c)

С

d)

D

23.

The density of the material of a coil of thin wire is to be found. Which set of instruments could be used to do this most accurately?

a)

metre rule, protractor, spring balance

b)

micrometer, metre rule, top-pan balance

c)

stopwatch, newton-meter, vernier calipers

d)

tape measure, vernier calipers, lever balance

24.

Force has a SI base units of kg m s-2.

Area has a SI base units of m2.


What is the SI base units of pressure?

(pressure = force / area)

a)

kg m-2 s-2

b)

kg m-1 s-2

c)

kg m2 s-2

d)

kg m3 s-2

25.

Mass has a SI unit of kg.

Gravitational acceleration has a SI base units of m s-2.

Height has a SI unit of m.


What is the SI base units of gravitational potential energy?

(gravitational potential energy = mass x grav. acceleration x height)

a)

kg m-2 s-2

b)

kg m-1 s-2

c)

kg m2 s-2

d)

kg m3 s-2

26.

A student takes measurements for the acceleration of gravity on Earth, and obtains the following results:

g = 10.55, 10.57, 10.44, 10.51 ms-2


These results are:

a)

Precise and accurate

b)

Precise but not accurate

c)

Accurate but not precise

d)

Neither precise or accurate

27.

A student about to measure a distance about 10 cm to a precision 0.01 cm. Which measuring instrument should be used?

a)

metre rule

b)

micrometer

c)

tape measure

d)

vernier caliper

28.

Accuracy means

a)

the measurements are close to each other

b)

the measurement is close to the true value

c)

the measurements are close to each other

d)

the measurements are close to each other and the true value.

29.

The maximum theoretical power P of a wind turbine is given by the equation


P = kρAv n


whereρ is the density of air, A is the area swept by the turbine blades, v is the speed of the air and k is a constant with no units.


What is the value of n ?

a)

1

b)

2

c)

3

d)

4

30.

The maximum theoretical power P of a wind turbine is given by the equation


P = kρAv n


whereρ is the density of air, A is the area swept by the turbine blades, v is the speed of the air and k is a constant with no units.


What is the value of n ?

a)

1

b)

2

c)

3

d)

4

31.

Select from the following quantities the vector quantities

a)

speed

b)

momentum

c)

force

d)

time

e)

electric field strength

32.

Mass has a SI unit of kg.

Gravitational acceleration has a SI base units of m s-2.

Height has a SI unit of m.


What is the SI base units of gravitational potential energy?

(gravitational potential energy = mass x grav. acceleration x height)

a)

kg m-2 s-2

b)

kg m-1 s-2

c)

kg m2 s-2

d)

kg m3 s-2

33.

Which of the following answer options provides a reasonable estimate for the density of a sugar cube?

a)

0.01 kg m⁻³

b)

0.1 kg m⁻³

c)

10 kg m⁻³

d)

1000 kg m⁻³

34.

An adult male stands with a litre carton of milk balanced on his head. What is a reasonable estimate of the gravitational potential energy of the milk carton?

a)

2 J

b)

20 J

c)

200 J

d)

2000 J

35.

A digital caliper is used to measure the 28.50 mm width of a plastic ruler. The digital caliper reads to the nearest 0.01 mm.


What is the correct way to record this reading?

a)

0.02850 ± 0.01 m

b)

0.0285 ± 0.001 m

c)

(2.850 ± 0.001) × 10-2 m

d)

(2.850 ± 0.001) × 10-3 m

36.

0.0001776 can also be expressed as

a)

1.776 × 10-3.

b)

1.776 × 10-4.

c)

17.72 × 104.

d)

1772 × 105

37.

The side of a cube is measured with an uncertainty of 2%. What is the percentage uncertainty in the volume of the cube?

a)

2%

b)

4%

c)

6%

d)

8%

38.

The power dissipated in a resistor of resistance R carrying a current I is equal to I2R. The value of I has a percentage uncertainty of ±2%, and the value of R has a percentage uncertainty of ±10%. The value of the percentage uncertainty in the calculated power dissipation is

a)

±8%

b)

±12%

c)

±14%

d)

±20%

39.

The value of the electrical power P of a light bulb is determined from the potential difference V across the bulb and the electrical resistance R of the bulb, as given by the equation P=V2RP=\frac{V^2}{R} . The % uncertainty in V is 8% and the % uncertainty in R is 2%. What is the percentage uncertainty in P?

a)

14%

b)

18%

c)

62%

d)

66%

40.

In the determination of the acceleration due to gravity g, the period T of a pendulum and the length of the pendulum L is measured as: T = 2.198±0.001 s2.198\pm0.001\ s and L = 1.20±0.01 m1.20\pm0.01\ m . What is the value of g ; in m s−2m\ s^{-2} and its associated percentage uncertainty?

g=4π2LT2g=\frac{4\pi^2L}{T^2}

a)

9.81±0.92%9.81\pm0.92\%

b)

9.81±0.88%9.81\pm0.88\%

c)

9.81±0.038%9.81\pm0.038\%

d)

9.81±0.74%9.81\pm0.74\%

41.

A student measures the length of a wire using a meter scale with an uncertainty of ±0.05 cm\pm0.05\ cm . The measured value is 12.30 cm12.30\ cm . What is the percentage uncertainty in the measurement?

a)

0.41%

b)

0.61%

c)

0.81%

d)

1.02%

42.

A student measures the time period of a pendulum and the length of the pendulum as 2.5±0.1 s2.5\pm0.1\ s and 1.20±0.05 m1.20\pm0.05\ m respectively. What is the percentage uncertainty in the acceleration due to gravity calculated using the formula g=4π2LT2g=\frac{4\pi^2L}{T^2} ?

a)

8.17%

b)

4.08%

c)

12.17%

d)

6.09%

43.

The side length of a cube is 2.0cm ±4%\pm4\%  . The mass of the cube is 24.0g ±8%\pm8\%  .

What is the percentage uncertainty of the density of the cube?

a)

±2%\pm2\%  

b)

±8%\pm8\%  

c)

±12%\pm12\%  

d)

±20%\pm20\%  

44.

The radius of a sphere is r=12.37m.

What is the volume of the sphere correct to two significant figures?

a)

7928.62 m37928.62\ m^3  

b)

7920 m37920\ m^3

c)

7928 m37928\ m^3

d)

7900 m37900\ m^3

45.

Density = mass / volume

What is the SI unit of density?

a)


kg.m−3kg.m^{-3}

b)

kg.m3kg.m^3

c)

[M][L]−3\left[M\right]\left[L\right]^{-3}

d)

[M][L]3\left[M\right]\left[L\right]^3

46.

What is the DIMENSION of acceleration?

a)

L3

b)

[L/T]

c)

[L/T2]

d)

LT

47.

What is the dimensional formula of surface tension T=  Fl\frac{F}{l}  

a)

ML0T-2

b)

ML2T-2

c)

M0L2T-2

d)

ML3T

48.

the mass per unit area has the dimensions of ......

a)

M L−2M\ L^{-2}

b)

M L−1M\ L^{-1}

c)

MM

d)

M −1 LM^{\ -1}\ L^{ }

49.

the dimensions of energy are

a)

M L−1 T −2M\ L^{-1}\ T\ ^{-2}

b)

M L−2 T −2M\ L^{-2}\ T\ ^{-2}

c)

M L2 T −2M\ L^2\ T\ ^{-2}

d)

M L2 T −1M\ L^2\ T\ ^{-1}

50.

the following equation is dimensionally

v2 =v02 +2 a dv^2\ =v_0^2\ +2\ a\ d  
Where :
 v is the final velocity
v0v_0  is initial velocity
a is the acceleration
d is the distance

a)

Correct

b)

incorrect

51.

Write the dimensions of power

a)

M⁰L¹T‐¹

b)

M⁰L¹T‐²

c)

M¹L¹T‐²

d)

M¹L²T‐2

e)

M¹L²T‐³

52.

Write the dimensions of Work

a)

M⁰L¹T‐¹

b)

M⁰L¹T‐²

c)

M¹L¹T‐²

d)

M¹L²T‐2

e)

M¹L²T‐³

53.

the mass per unit volume has the dimensions of ......

a)

M L−2M\ L^{-2}

b)

M L−3M\ L^{-3}

c)

MM

d)

M −1 LM^{\ -1}\ L^{ }

54.
You run from your house to a friend's house that is 3 km away. You then walk home. The distance you traveled is 6 km. What is your displacement? 
a)
6  km
b)
0 km
55.

The fastest trains are magnetically levitated above the rails to avoid friction (and are therefore called MagLev trains...cool, huh?).

The fastest trains travel about 250 km in a half an hour. What is their average speed in km/hour?

a)

250 km/hr

b)

500 km/hr

c)

125 km/hr

56.

A hummingbird averages a speed of about 45 km/hour (Cool facts: They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!).

Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed?

a)

810 km

b)

2.5 km

c)

3.6 km

d)

360 km

57.

A car goes from rest to 30 m/s. If it takes the car 40 seconds to reach that speed then what is the car's rate of acceleration?

a)

1.33 m/s2

b)

0.75 m/s2

c)

10 m/s2

d)

0 m/s2

58.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
59.
A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:
a)
19.6 m/s
b)
-5.4 m/s
c)
-44.6 m/s
d)
44.6 m/s
60.
A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?
a)
1.3 m/s2
b)
2.5 m/s2
c)
3.0 m/s2
d)
7.5 m/s2
61.
What happens to the velocity of a ball as it is dropped off a cliff? 
a)
It decreases at a uniform rate 
b)
It increases at a uniform rate 
c)
It is constant 
d)
It increases at a non-uniform rate
62.

What is the average velocity of the object between 0 and 10 seconds?

a)

6.0 m/s

b)

1.5 m/s

c)

-4 m/s

d)

0 m/s

63.

Which graph(s) represents a constant velocity?

a)

a and c

b)

b and c

c)

c

d)

a and b

64.
What is this graph representing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
65.

What is the rate of acceleration of the object between 0 and 4 seconds?

a)

1 m/s

b)

0 m/s2

c)

-1 m/s2

d)

1 m/s2

66.

What is the velocity of the object between 4 and 5 seconds?

a)

0 m/s

b)

5 m/s

c)

1 m/s

d)

2 m/s

67.
A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is 
a)

6 m/s2 opposite the motion

b)

2 m/s2 in the direction of motion

c)

8 m/s2 opposite the motion

68.

If you walk 5 meters south, 5 meters west, 5 meters north, and then 5 meters east, what is your displacement?

a)

0 m

b)

20 m

c)

15 m

d)

10 m

e)

5 m

69.

Displacement is a ...

a)

  1. scalar quantity

b)

  1. vector quantity

c)

  1. base quantity

d)

derived quantity

70.

If distance is increasing uniformly with time, then velocity is ...

a)

increasing

b)

  1. decreasing

c)

  1. constant

d)

  1. zero

71.

Gradient of line of velocity-time graph is tells us the ...

a)

velocity

b)

  1. acceleration

c)

  1. distance

d)

time

72.

If a car starting from rest reaches a velocity of 18 m s-1 after 6.0 s then it's acceleration is ...

a)

  1. 1 m s-2

b)

  1. 2 m s-2

c)

  1. 3 m s-2

d)

  1. 4 m s-2

73.

If a student drops a stone from a cliff of height 30 m and time it takes to reach ground is 2.6 s, then acceleration due to gravity is ...

a)

  1. 9 ms-2

b)

  1. 10 ms-2

c)

  1. 4 ms-2

d)

  1. 8.8 ms-2

74.

Acceleration of train when it is moving steadily from 4.0 m s-1 to 20 m s-1 in 100 s is ...

a)

1 m s-2

b)

  1. 2 m s-2

c)

  1. 0.16 m s-2

d)

  1. 3 m s-2

75.

Horizontal component of a bouncing ball is ...

a)

affected by gravity

b)

  1. unaffected by gravity

c)

  1. affected by weight

d)

  1. affected by contact force

76.
Describe the motion
a)
Slow to fast;   Negative direction
b)
Fast to slow;   Negative direction
c)
Fast to slow;   Positive direction
d)
Slow to fast;   Positive direction
77.
Beau throws a baseball at 23.0 m/s at an angle of 25.0 degrees relative to the ground.If the ball was caught 42.0 m from Beau, the maximum height the ball reached
a)
2.81 m
b)
4.81 m
c)
8.81 m
d)
12.81 m
78.
Beau throws a baseball at 23.0 m/s at an angle of 25.0 degrees relative to the ground.If the ball was caught 42.0 m from Beau, find the time the ball was in the air
a)
0.991 seconds
b)
1.52 seconds
c)
1.98 seconds
d)
2.05 seconds
79.
Beau throws a baseball at 23.0 m/s at an angle of 25.0 degrees relative to the ground.If the ball was caught 42.0 m from Beau, find the components
a)
Vx=20.8 m/s
Vy=9.72 m/s
b)
Vx=9.72 m/s
Vy=20.8 m/s
c)
Vx=20.8 m/s
Vy=19.72 m/s
d)
Vx=19.8 m/s
Vy=9.72 m/s
80.
A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s2, what is its velocity after 2 s?
a)
0 m/s
b)
0.5 m/s
c)
1 m/s
d)
1.5 m/s
81.
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
82.

How long would it take a car, starting from rest and accelerating uniformly in a straight line at 5 m/s2, to cover a distance of 200m

a)

9.0s

b)

10.5s

c)

12.0s

d)

15.5s

83.

This is the x-tgraph of the motion of a particle. Of the four points P, Q, R,and S, the speed is greatest at

a)

P

b)

Q

c)

R

d)

S

84.

The maximum theoretical power P of a wind turbine is given by the equation


P = kρAv n


whereρ is the density of air, A is the area swept by the turbine blades, v is the speed of the air and k is a constant with no units.


What is the value of n ?

a)

1

b)

2

c)

3

d)

4

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