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Worksheets

IGCSE Physics

Total questions: 140

Worksheet time: 2hrs 2mins

Name
Class
Date
1.

A resultant force of 4.0N acts on an object of mass 0.50 kg for 3.0 seconds.

What is the change in velocity caused by this force?

a)

4.0 m / s

b)

6.0 m / s

c)

12 m / s

d)

24 m / s

2.

Which property of an object cannot be changed by a force?

a)

mass

b)

motion

c)

shape

d)

size

3.

A ball is dropped from a table-top. Air resistance may be ignored.

Which row describes the velocity and the acceleration of the ball at point X

a)

acceleration = constant; velocity = constant

b)

acceleration = constant; velocity = increasing

c)

acceleration = increasing; velocity = constant

d)

acceleration = increasing; velocity = increasing

4.
What is the moment acting on the seesaw?
a)
1.6Nm
b)
15Nm
c)
16N
d)
4Nm
5.

When the velocity of the car is constant, the force of friction on it is

a)

zero

b)

greater than the driving force

c)

smaller than the driving force

d)

the same size as the driving force

6.

Which are the units for acceleration

a)

m/s

b)

m/s2

c)

s/m

d)

m/s3

7.

The cyclist accelerates at 1.4 m/s2.

The mass of the cyclist and bicycle is 60 kg.

Calculate the resultant force.

(a)  

8.
What is 'drag' another name for?
a)
dressing up
b)
air resistance
c)
friction
d)
weight
9.
Name two quantities that are vectors.
a)
force and speed
b)
speed and acceleration
c)
force and acceleration
d)
mass and weight
10.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
11.
What is the name for a single force on an object with the same effect as all the forces combined?
a)
big
b)
total
c)
resultant
d)
sum
12.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
13.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
14.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
15.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
16.

The unit of force is...

a)

m/s

b)

m

c)

N

d)

kg

17.

What is the resultant force?

a)

40 N, Left

b)

0 N, Balanced

c)

400 N, Right

d)

40 N, Right

18.

What is the resultant force?

a)

400 N, Up

b)

400 N, Down

c)

800 N, Up

d)

800 N, Down

19.

What is the resultant force?

a)

17 N, Left

b)

6N, Right

c)

11N , Left

d)

12N, Left

20.

What is the resultant force?

a)

40N, Left

b)

40N, Right

c)

0N, Balanced

d)

75N, Right

21.
a)

A

b)

B

c)

C

d)

D

22.
a)

A

b)

B

c)

C

d)

D

23.
a)

A

b)

B

c)

C

d)

D

24.
a)

A

b)

B

c)

C

d)

D

25.
a)

A

b)

B

c)

C

d)

D

26.
a)

A

b)

B

c)

C

d)

D

27.
a)

A

b)

B

c)

C

d)

D

28.
a)

A

b)

B

c)

C

d)

D

29.
a)

A

b)

B

c)

C

d)

D

30.
a)

A

b)

B

c)

C

d)

D

31.
a)

A

b)

B

c)

C

d)

D

32.
a)

A

b)

B

c)

C

d)

D

33.

-

a)

A

b)

B

c)

C

d)

D

34.

Which of the following measuring tools is used to measure capacity?

a)
b)
c)
35.

What unit of measurement is used in measuring weight?

a)

Kilogram and gram

b)

Liter and mililiter

c)

Meter and centimeter

36.

What unit of measurement is used in measuring length?

a)

Liter and milliliter

b)

Meter and centimeter

c)

Kilogram and gram

37.

What unit of measurement is used in measuring capacity?

a)

Kilogram and gram

b)

Meter and centimeter

c)

Liter and milliliter

38.
Which measurement would you use to measure the following?
the volume of a soda bottle
a)
centimeters
b)
liters
c)
kilograms
d)
grams
39.

how many liters is 1000 mL?

a)

1

b)

10

c)

100

d)

1000

40.

Choose ALL of the tools that you could use to measure weight.

a)
b)
c)
d)
41.

Choose the TWO tools that you could use to measure length.

a)
b)
c)
d)
42.
a)

A

b)

B

c)

C

d)

D

43.
a)

A

b)

B

c)

C

d)

D

44.
a)

A

b)

B

c)

C

d)

D

45.
a)

A

b)

B

c)

C

d)

D

46.

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

47.

A student intends to measure accurately the diameter of a wire (known to be approximately 1 mm) and the internal diameter of a pipe (known to be approximately 2 cm).

What are the most appropriate instruments for the student to use to make these measurements [(i) wire, (ii) pipe]?

a)

(i) calipers, (ii) calipers

b)

(i) calipers, (ii) micrometer

c)

(i) micrometer, (ii) calipers

d)

(i) micrometer, (ii) micrometer

48.

What does this image measure

a)

volume

b)

mass

c)

length

d)

density

49.

Which of the following equation represent error in measurement?

a)

Error = Measured Value - True Value

b)

Error = 1 - True Value

c)

Error = True Value + Measured Value

d)

Error = 1 - Measured Value

50.

Which of the following shows a precise but not accurate data?

a)
b)
c)
d)
51.

The imperfection in experimental technique or procedure is an example of .....

a)

Environmental error

b)

Parallax error

c)

Random error

d)

Systematic error

52.

Which of the following shows an accurate but not precise data

a)
b)
c)
d)
53.

A decorator wishes to calculate the area of a bathroom tile so that he can estimate the amount of adhesive that he needs to buy. What must he use?

a)

a measuring cylinder only

b)

a ruler only

c)

a measuring cylinder and a clock only

d)

a measuring cylinder and a ruler only

54.

The three balls shown are dropped from a bench.

Which balls have the same acceleration?

a)

aluminium and lead only

b)

aluminium and wood only

c)

lead and wood only

d)

aluminium, lead and wood

55.

A car accelerates from traffic lights. The graph shows how the car’s speed changes with time.

How far does the car travel before it reaches a steady speed?

a)

10m

b)

20m

c)

100m

d)

200m

56.

Which statement is correct?

a)

The mass of a bottle of water at the North Pole is different from its mass at the Equator.

b)

The mass of a bottle of water is measured in newtons.

c)

The weight of a bottle of water and its mass are the same thing.

d)

The weight of a bottle of water is one of the forces acting on it.

57.

Two blocks X and Y are placed on a beam as shown. The beam balances on a pivot at its centre
What does this show about X and Y?

a)

They have the same mass and the same density.

b)

They have the same mass and the same weight.

c)

They have the same volume and the same density.

d)

They have the same volume and the same weight.

58.

The masses of a measuring cylinder before and after pouring some liquid into it are shown in the diagram.

What is the density of the liquid?

a)

b)

c)

d)

59.

A girl and a boy are pulling in opposite directions on a rope. The forces acting on the rope are shown in the diagram.

Which single force has the same effect as the two forces

a)

50N acting towards the girl

b)

350N acting towards the girl

c)

50N acting towards the boy

d)

350N acting towards the boy

60.

The graph shows the change in temperature of a material as it is heated. Which part on the graph shows when the material is boiling?

a)

A

b)

B

c)

C

d)

D

61.

An iron bar is held with one end in a fire. The other end soon becomes too hot to hold

How has the heat travelled along the iron bar?

a)

by conduction

b)

by convection

c)

by expansion

d)

by radiation

62.

The diagram shows a block of ice placed in a warm room. At which point is the temperature the lowest?

a)

A

b)

B

c)

C

d)

D

63.

Which metal could be used for a permanent magnet and which metal could be used for the core of an electromagnet?

a)

iron, copper

b)

iron, steel

c)

steel, copper

d)

steel, iron

64.

Object 1 is given a negative charge and placed on a balance. Object 2, which is also charged, is brought close to object 1 and the reading on the balance changes as shown. Which action would further decrease the reading on the balance?

a)

Add the same number of electrons to both objects.

b)

Remove the same number of electrons from both objects.

c)

Transfer electrons from object 1 to object 2.

d)

Transfer electrons from object 2 to object 1.

65.

Which statement about a voltmeter is correct?

a)

It has a scale which is marked in amperes (A).

b)

It must be connected in series in a circuit.

c)

It measures potential difference (p.d.).

d)

It must have three terminals.

66.

How does the resistance of a metallic wire change: as its length increases as its cross-sectional area decreases?

a)

decreases, decreases

b)

decreases, increase

c)

increase, decreases

d)

increase, Increase

67.

A plastic rod is rubbed with a cloth. The rod becomes positively charged because of the movement of charged particles. Which row gives the name of these charged particles and the direction in which they move?

a)

electrons, from cloth to rod

b)

electrons, from rod to cloth

c)

protons, from cloth to rod

d)

protons, from rod to cloth

68.

Two 2.0 resistors are connected in parallel. What is the combined resistance of the resistors?

a)

less than 2.0

b)

exactly 2.0

c)

more than 2.0 but less than 4.0

d)

exactly 4.0

69.

An electric heater is plugged into the mains supply using a fused plug. The current in the heater is 10A. The cable attached to the heater is rated at 15A. The fuses available are rated at 1.0A, 3.0A, 5.0A and 13A. Which fuse should be used?

a)

1.0 A

b)

3.0 A

c)

5.0 A

d)

13 A

70.

Which statement describes the direction of an electric field at a point?

a)

the direction of the force on a negative charge

b)

the direction of the force on an N pole

c)

the direction of the force on a positive charge

d)

the direction of the force on an S pole

71.

Which statement about a voltmeter is correct?

a)

It has a scale which is marked in amperes (A).

b)

It must be connected in series in a circuit.

c)

It measures potential difference (p.d.).

d)

It must have three terminals.

72.

A wire has a resistance of 8.0. A second wire of the same material has twice the length and twice the cross-sectional area. What is the resistance of the second wire?

a)

4.0

b)

8.0

c)

16

d)

32

73.

A plastic rod is rubbed with a cloth. The rod becomes positively charged because of the movement of charged particles. Which row gives the name of these charged particles and the direction in which they move?

a)

electrons, from cloth to rod

b)

electrons, from rod to cloth

c)

protons, from cloth to rod

d)

protons, from rod to cloth

74.

An alternating (a.c.) supply is connected to a diode and a resistor in series. Which graph shows how the potential difference V across the resistor varies with time t?

a)

b)

c)

d)

75.

The diagram shows a circuit used to switch on a heater when the temperature drops below a certain value. Which row shows the components that should be connected at X and at Y?

a)

b)

c)

d)

76.

What is the primary function of a fuse in an electrical circuit?

a)

To increase the current flow.

b)

To protect the circuit from overload.

c)

To measure voltage.

d)

To convert AC to DC.

77.

Which of the following statements about series circuits is true?

a)

The total resistance is the sum of individual resistances.

b)

The current is the same through all components.

c)

If one component fails, the entire circuit stops working.

d)

All of the above.

78.

What happens to the total resistance when resistors are connected in series?

a)

It decreases.

b)

It remains the same.

c)

It increases.

d)

It becomes zero.

79.

What is the effect on the total current in a parallel circuit when more branches are added?

a)

It decreases.

b)

It remains the same.

c)

It increases.

d)

It becomes zero.

80.

What happens to the electric field strength as the distance from a charged object increases?

a)

It increases.

b)

It remains constant.

c)

It decreases.

d)

It becomes zero.

81.

What is the relationship between voltage and current in a conductor at constant temperature?

a)

Voltage increases as current decreases.

b)

Voltage decreases as current increases.

c)

Voltage is directly proportional to current.

d)

Voltage is independent of current.

82.

In a parallel circuit, how is the total voltage related to the voltage across each component?

a)

It is equal to the voltage across each component.

b)

It is less than the voltage across each component.

c)

It is greater than the voltage across each component.

d)

It is the average of the voltages across each component.

83.

What is the definition for the word amplitude?

a)

The number of complete waves that pass per second

b)

The distance from the peak of one wave to the peak of an adjacent wave.

c)

The distance from the equilibrium position of a peak plus the same distance from a trough.

d)

The maximum distance from the equilibrium position of any point on a wave

84.

what is the name given to the effect that allows wavefronts to reach point X, shown in the diagram?

(a)  

85.

Which 2 points on the wave are exactly one wavelength apart?

a)

P and S

b)

Q and R

c)

Q and S

d)

P and R

86.

Water waves travel from deeper water to more shallow water. This causes them to refract.


Which property always remains the same when refraction occurs?

a)

Wavelength

b)

Frequency

c)

Amplitude

d)

Speed

87.
a)

A

b)

B

c)

C

d)

D

88.

What is the unit for wavelength?

(a)  

89.

What is the unit for frequency?

(a)  

90.

What is the unit for velocity?

(a)  

91.

what is the formula for finding the wavelength of a wave?

a)

v = f λ

b)

λ / v = f

c)

v f = λ

d)

λ / f = v

92.
a)

A

b)

B

c)

C

d)

D

93.

Sound waves travel at a speed of 1500m/s through a substance. Their wavelength is 5.0 cm. What is their frequency?

(a)  

94.
a)

It doubles

b)

It halves

c)

It remains the same

d)

It becomes four times as large

95.

a)

The speed of wave increases.

b)

The speed of wave decreases.

c)

The frequency increases.

d)

The frequency decreases.

96.

a)

Decrease the speed of waves (but keep the wavelength the same).

b)

Increase the speed of the waves (but keep the wavelength the same).

c)

Make the gap smaller

d)

Make the gap bigger

97.

What is a frequency?

a)

the number of wave crests passing a point in one second.

b)

the numbers of waves in total.

c)

the height of the waves times each second.

d)

the speed of waves over time.

98.

Velocity = (a)   x lambda

99.

What is the wavelength?

a)

The distance from one wave peak to another

b)

number of wave crests passing a point in one second

c)

the height of the wave peak

d)

the energy that the waves carry

100.

Sound waves are (a)   waves

101.

light waves are (a)   waves

102.

the vibrations of longitudinal waves are (a)   to the direction in which the waves are travelling.

103.

the vibrations of transverse waves are (a)   to the direction in which the waves are travelling.

104.

what is the arrow pointing to?

a)

compression

b)

rarefaction

105.

when plane waves reflect from a straight barrier, the angle of each reflected wave is (a)   to the angle of each incident wave to the barrier.

106.

Diffracted waves spread out ______ if the gap is wider.

a)

more

b)

less

c)

the same

107.

The narrower the gap, the ____ the diffracted waves are spread out.

a)

more

b)

less

108.

The word diffraction means...

a)

dispersing of waves

b)

reflecting of waves

c)

refraction of waves

d)

spreading of waves

109.

A car travels 100 m in 5 s. what is its average speed?

a)

20 m/s

b)

2 m/s

c)

0.05 m/s

d)

500 m/s

110.

See the graph. What is the distance traveled from begining until 12 s?

a)

20 m

b)

40 m

c)

60 m

d)

80 m

111.

One wave length is from point .... to point ....

a)

A, C

b)

B, D

c)

E, H

d)

F, J

112.

does the moment of the force act ?

a)

to the left

b)

to the right

c)

clockwise

d)

anticlockwise

113.

the moment of the force about the pivot is ...

a)

5 Nm

b)

10 Nm

c)

15 Nm

d)

20 Nm

114.

the table shows the densities of six different substance. if density of water is 1 g/cm3. which two substance in the table would float in water ?

a)

Gasoline and Gold

b)

Lead and paraffin

c)

Gasoline and Paraffin

d)

Gold and Platinum

115.

Which The symbol of variable resistor ?

a)
b)
c)
d)
116.

what is measured by the ammeter?

a)

voltage

b)

resistivity

c)

current of electricity

d)

charge

117.

the reading on ammeter is 0.6 A. What unit does 'A' represent?

a)

Angstrom

b)

Ampere meter

c)

Ampere

d)

Alight

118.

A rectangular block of steel measure 4 cm x 2 cm x 3 cm. Its mass is 180 g. The density of steel is ...

a)

0.125 g/cm3

b)

1.25 g/cm3

c)

0.75 g/cm3

d)

7.5 g/cm3

119.

A force of 6 N acts on an area of 4 m2. What is the pressure on the surface?

a)

0.67 Pa

b)

1.5 Pa

c)

3 Pa

d)

4 Pa

120.

A boy weighing 600 N sits on the see-saw at a distance of 1.5 m from the pivot. What is the force F required at the other end to balance the see-saw?

a)

300 N

b)

350 N

c)

400 N

d)

450 N

121.

Which two of these are included in the term 'fluids'?

a)

solids

b)

liquids

c)

gases

d)

metals

122.

Which of these is not a change of state?

a)

freezing

b)

melting

c)

cooling

d)

evaporating

e)

condensing

123.

Which one of these words best describes the movement of gas molecules?

a)

randomly

b)

rusty

c)

rainy

d)

rapidly

124.

Which of these best describes the atoms in a solid such as gold?

a)

they move all over the place quickly

b)

they move all over the place slowly

c)

they vibrate about a fixed position

d)

they do not move at all

125.

Which of these describes the random bombardment of air molecules?

a)

Brown motion

b)

Brownian motion

c)

Bromine motion

d)

Bronian motion

126.

Which of these best describes evaporation?

a)

the escape of more-energetic molecules from the surface of a liquid

b)

the escape of more-energetic molecules from the surface of a gas

c)

the escape of less-energetic molecules from the surface of a liquid

d)

the escape of less-energetic molecules from the surface of a gas

127.

Which of these conditions is the best for drying clothes?

a)

hot, dry, still

b)

cold, dry, windy

c)

hot, wet, still

d)

cold, wet, windy

e)

hot, dry, windy

128.

Which of these is the correct equation for specific heat capacity?

a)

E= mcT

b)

E= mc/T

c)

E= m/cT

d)

E= m/c/T

129.

A mass of 5kg takes 2000J of energy to change its temperature from 40ºC to 50ºC. What is the specific heat capacity?

a)

10 J/kgºC

b)

20 J/kgºC

c)

30 J/kgºC

d)

40 J/kgºC

130.

Which of these is the best absorber of infrared radiation?

a)

dark, matt surfaces

b)

dark, shiny surfaces

c)

light, matt surfaces

d)

light, shiny surfaces

131.

Which of these is the best reflector of infrared radiation?

a)

dark, matt surfaces

b)

dark, shiny surfaces

c)

light, matt surfaces

d)

light, shiny surfaces

132.

Which two of these are examples of convection currents?

a)

the water cycle

b)

a heater warming up air in the corner of a room

c)

the lunar cycle

d)

heat travelling along a solid metal bar

133.

What is the term used to describe the energy required to change the state of a material without changing its temperature?

(a)  

134.

Which of these statements is false?

a)

conduction happens in solids

b)

convection happens in fluids

c)

radiation can only happen in a vacuum

d)

liquids and gases can be referred to as fluids

135.

During a change of state the temperature of a substance...

a)

Stays the same

b)

Increases

c)

Decreases

136.
If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy
137.

Joules and calories are units of measurement for __________________.

a)

heat

b)

insulators

c)

conductors

d)

thermometers

138.
Temperature is a measure of the...
a)
total energy in a substance
b)
total kinetic energy in a substance
c)
average potential energy in a substance
d)
average kinetic energy of molecules in a substance
139.

Which quantity gives the thermal capacity of a beaker?

a)

the thermal energy required to raise the temperature of the beaker by 1°C

b)

the total volume of hot liquid that the beaker can hold

c)

the total mass of hot liquid that the beaker can hold

d)

the thermal energy required to change the state of the beaker at constant temperature

140.

A lead fishing sinker with a mass of 75.0 g and a temperature of 25°C is placed on a block of ice at 0°C, which then melts. If 75.0 g of water at the same temperature were poured on the ice, which of the following is true?

a)

The water would melt more ice than the lead fishing sinker.

b)

The water would melt less ice than the lead fishing sinker.

c)

The water would melt the same amount of ice as the lead fishing sinker.

d)

Neither the water nor lead fishing sinker would melt any ice.

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