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IGCSE Physics - Mock Exam Revision

Total questions: 100

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

Velocity is?

a)

a helium nucleus

b)

rate of change of distance moved with the direction

c)

the energy store in a body due to its height

d)

the amount of matter that an object is made of

2.

Work done?

a)

Force x distance moved in the direction of the force

b)

force per uint area

c)

number of complete oscillations per unit of time on the wave

d)

the force exerted by the Earth

3.

Velocity is?

a)

a helium nucleus

b)

rate of change of distance moved with the direction

c)

the energy store in a body due to its height

d)

the amount of matter that an object is made of

4.

Work done?

a)

Force x distance moved in the direction of the force

b)

force per uint area

c)

number of complete oscillations per unit of time on the wave

d)

the force exerted by the Earth

5.

Kinetic energy?

a)

Energy stored in chemical substances

b)

Energy that an object has due to its position (height)

c)

Energy that an object has due to its motion

6.

Power?

a)

the amount of energy transfer

b)

Force/cross-sectional area

c)

Current x time

d)

the rate at which work is done (work done/time taken)

7.

The law of Conservation of energy states that:

"Energy cannot be .......... or .........., it only changes from one form to another."

a)

created - destroyed

b)

changed - transfered

c)

stored - moved

8.

Pressure?

a)

rate of change of velocity

b)

force per unit of area (force/area)

c)

vibration of the particles are parallel to the direction that energy transfers.

d)

force x distance moved in the direction of the force

9.

acceleration

a)

a scalar quantity has magnitude only

b)

rate of change of distance moved

c)

rate of change of velocity

d)

number of oscillations per unit time of a point on the wave

10.

mass

a)

position where zero amplitude

b)

the amount of matter in an object

c)

the force exerted by the Earth

d)

force/area

11.

Weight

a)

Current in a circuit

b)

Force exerts on a body due to gravity

c)

the amount of matter in a body

d)

energy of a mass due to its motion

12.

Gravitational potential energy

a)

Energy stored in chemical substances

b)

Energy of an object due to its motion

c)

Energy of an object due to its position (height)

d)

rate of change of velocity

13.

Hooke's law

a)

rate of change of velocity

b)

Force due to gravity

c)

Force/area

d)

force is proportional to the extension unless the limit of proportionality is exceeded

14.

Electric field

a)

proton

b)

electron

c)

region of space where a force acts on a stationary charge

d)

the amount of energy converted from chemical to electrical

15.

Pressure is ______.

a)

region of space where a force acts on a mass

b)

Force per unit of area

c)

vibrations of the particles are perpendicular to the direction of the propagation of energy

d)

rate of change of velocity

16.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

17.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
18.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
19.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
20.
Which of the following can sound travel through?
a)
solid
b)
liquid
c)
gas
d)
all of the above
21.

An object has which color for being a good absorber?

a)

Black

b)

White

c)

Yellow

d)

Green

22.

__________ is a phenomenon that the light is reflected when it hits a shiny surface such as a mirrior.

a)

Diffraction

b)

Refraction

c)

Reflection

d)

Turning effect

23.

What is the correct equation for kinetic energy

a)

12mv2\frac{1}{2}mv^2  

b)

m x v2

c)

12vm2\frac{1}{2}vm^2  

24.

What is the correct equation for gravitational potential energy

a)

m x g x h

b)

m x g / h

c)

m x h / g

25.
a)

A

b)

B

c)

C

d)

D

26.

The Conservation law of Energy states that: "Energy cannot be _______ or _________, it can only change from one form to another". Fill in the blanks.

a)

moved - changed

b)

moved - transformed

c)

created - destroyed

27.

What is the efficiency of a solar cell if 1000 J of solar energy hits the cell and 200 J are converted into electrical energy?

a)

10%

b)

20%

c)

30%

d)

40%

28.

Power is rate of work done.

Which formula can be used to calculate power?

a)

P = W/t

b)

P = Wt

c)

P = t/W

29.

A motor is used on a building site to raise a block of stone. The mass of the block is 72 kg and it is raised 20 m. Calculate the work done. Take g = 10m/s2

a)

720 J

b)

7200 J

c)

1440 J

d)

14 400 J

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.

What type of wave is shown by "F"?

a)

Transverse

b)

Longitudinal

c)

Combination

d)

Light

34.

When the speed of a wave is constant, the wavelength and frequency have what type of relationship?

a)

Directly proportional

b)

Parallel

c)

Inversely proportional

d)

Equal

35.

What is the speed of electromagnetic waves in a vacuum?

a)

3×108 3\times10^8\  m/s

b)

3×1073\times10^7  m/s

c)

3×1063\times10^6  m/s

d)

3×1043\times10^4  m/s

36.

Particles of the medium vibrate ____ to the direction of the wave in LONGITUDINAL WAVES.

a)

Parallel

b)

Perpendicular

c)

Equal

d)

Inverse

37.

Particles of the medium vibrate ____ to the direction of the wave in TRANSVERSE WAVES.

a)

Parallel

b)

Perpendicular

c)

Equal

d)

Inverse

38.

An example of a longitudinal wave is

a)

visible light

b)

Electromagnetic waves

c)

Gamma rays

d)

Infrared waves

e)

Sound

39.

Which wave has the largest wavelength?

a)

A

b)

B

c)

C

d)

They have the same wavelength.

40.

 

A wave has a frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

a)

0.2 m

b)

125 m

c)

5 m

d)

30 m

41.

A wave has a frequency of 14 Hz and a wavelength of 3 m. At what speed will this wave travel?

a)

4.67 m/s

b)

42 m

c)

42 m/s

d)

4.67 m

42.

A wave has a frequency of 540 Hz and is traveling at 340 m/s. What is its wavelength?

a)

1.59 m

b)

0.63 m

c)

183600 m

d)

91800 m

43.

A wave has a frequency of 100 Hz. What is the time period of this wave?

a)

100 s

b)

10 s

c)

0.1 s

d)

0.01 s

44.

Frequency is how many waves pass a point in 1 second. If 100 waves pass a given point in 4 seconds, what is the wave's frequency?

a)

4 Hz

b)

25 Hz

c)

100 Hz

d)

400 Hz

45.

In the diagram of a compressional wave, A is showing a ___ while B is showing a ___.

a)

compression, rarefaction

b)

crest, trough

c)

rarefaction, compression

d)

trough, crest

46.

Sound waves cannot travel through

a)

vacuum

b)

solids

c)

liquids

d)

gases

47.

Sound waves propagate by ................

a)

transferring matters

b)

passing on the vibration

c)

expanding the volume

d)

changing the position of matters

48.

Audible frequency is the range of frequencies that can be heard by a healthy human ear. This range of frequencies is

a)

10 Hz - 10 000 Hz

b)

smaller than 20 Hz

c)

20 Hz - 20 kHz

d)

larger than 20 000 Hz

49.

The force of gravity. This keeps human standing on the Earth.

a)

Weight

b)

Friction

c)

Air resistance

d)

Upthrust

50.

The relationship between resultant force, mass and acceleration can be shown by equation:

a)

resultant force = mass x acceleration

b)

resultant force = mass / acceleration

c)

resultant force = acceleration / mass

51.

Mass is?

a)

the force of gravity

b)

the amount of matter that an object is made of.

c)

the quantity shows how fast an object traveled

d)

the quantity shows how fast the velocity of an object changes.

52.

Weight is?

a)

the force of gravity which keeps us standing on the Earth

b)

the amount of matter that an object is made of.

c)

the quantity shows how fast an object traveled

d)

the quantity shows how fast the velocity of an object changes.

53.

The equation linking, weight, mass and gravitational field strength.

a)

weight = mass x time

b)

weight = mass ÷\div   gravitational field strength

c)

weight = mass x gravitational field strength

d)

weight = mass x velocity squared

54.

The symbol equation linking weight, mass and gravitational field strength.

a)

W = mg

b)

W = m/g

c)

W = g/m

55.

The difference(s) between Mass and Weight is?

a)

Mass changes while Weight unchanges with location.

b)

Mass is measured in kilograms (kg) while Weight is measured in Newton (N)

c)

Mass and Weight unchanges with location

d)

Mass unchanges while Weight changes with location.

56.

A ball has a mass of 200 g. What is the weight of the ball? Take gravitational field strength g = 10 m / s2s^2

a)

2000 N

b)

200 N

c)

20 N

d)

2 N

57.

The diagram shows a large force of magnitude P and a small force of magnitude Q acting on a box.

Which expression gives the magnitude of the resultant force on the box?

a)

P + Q

b)

P - Q

c)

P x Q

d)

P / Q

58.

A forklift truck lifts a crate that has a mass of 140 kg. The gravitational field strength, g = 10 N/kg. What is the weight of the crate?

a)

14 m/s

b)

1400 m/s

c)

14 N

d)

1400 N

59.

........................... is defined as the rate of mass per a unit of volume.

a)

Velocity

b)

Density

c)

Acceleration

d)

Distance

60.

A solid cube is made from a material with density 0.60 g/cm3. The side of the cube is 2 cm.

What is the mass of this cube?

a)

0.048 g

b)

0.48 g

c)

4.80 g

d)

48.0 g

61.

Five identical solid glass balls, each of mass 5.0 g, are put into a measuring cylinder containing water.

The water level in the measuring cylinder rises from the 30 cm3 mark to the 40 cm3 mark.

What is the density of the glass from which the balls are made?

a)

0.50 g/cm3

b)

1.20 g/cm3

c)

1.60 g/cm3

d)

2.5 g/cm3

62.

What is the resistance in this circuit?

a)

0.05Ω

b)

1.8Ω

c)

20Ω

63.

What is the resistance of an object that draws 0.24 A when connected to a 120 V circuit?

a)

0.024 Ω

b)

28.8 Ω

c)

124 Ω

d)

500 Ω

64.

What is the unit of electrical power?

a)

amperes

b)

joules

c)

volts

d)

watts

65.

What is the correct equation linking charge current and time

a)

Q = It

b)

I = Qt

c)

t = QI

66.

What is the correct equation for electrical power

a)

P = I x V

b)

P = V / I

c)

P = I / V

67.

What is the name of the Law that relates current, voltage and resistance in an electrical circuit?

a)

Ohm's Law

b)

Lenz's Law

c)

Faraday's Law

d)

Hooke's Law

68.

Which is the right form of Ohm's Law linking voltage, current and resistance?

a)

V=I/R

b)

V=R/I

c)

I=V/R

d)

I=R/V

69.

A computer circuit board contains a 4 kΩ resistor and has a p.d. of 8 V across it.


What is the current through the resistor?

a)

2 mA

b)

2 A

c)

16 mA

d)

16 A

70.

To get a large current to flow in a wire, you can either

a)

increase the wire resistance or increase the supply voltage

b)

increase the wire resistance or decrease the supply voltage

c)

decrease the wire resistance or increase the supply voltage

d)

decrease the wire resistance or decrease the supply voltage

71.

Which of the following is the correct unit for charge?

a)

coulombs (C)

b)

Amps (A)

c)

current (I)

d)

charge (Q)

72.

A 6 V light bulb is switched on for a short time. A 6 V battery transfers 2 C of charge to the bulb in this time. What energy has been transferred?

a)

0.33 J

b)

3 J

c)

6 J

d)

12 J

73.
The voltage supplied to a circuit is 17 V and the current running through is 10 A. What is the power generated?
a)

170 W

b)

170 Ω

c)

1.7 Ω

d)

1.7 W

74.
Calculate the electric power of an electrical appliance in which 10 A of current is flowing through a resistor of 2 ohms.
 
Remember: V=IR and P=VI
a)

80 W

b)

200 W

c)

2.5 A

d)

22.5 kJ

75.

10C of charge flows in a wire every 2 seconds. Calculate the current in the wire.

a)

5 Ohms

b)

5 Amps

c)

0.2 Volts

d)

0.2 Amps

76.

What is a formula to calculate Charge

a)

Q=It

b)

Q=ItQ=\frac{I}{t}

c)

Q=VE

d)

Q=IR

77.

How do you calculate the energy transferred in a component?

a)

E=IVt

b)

E=tIVE=\frac{t}{IV}

c)

E=IV

d)

E=Q/t

78.

A current of 12 A flows for 20 minutes into an electric cooker.

How much charge has the cooker used?

a)

14400 C

b)

280 C

c)

100 C

d)

0.6 C

79.

The current in a motor is 2.1 A and the potential difference across it is 12V. The motor takes 1.5 seconds to lift a mass. What is the energy transferred to the motor as it lifts the mass?

a)

85 J

b)

3.8 J

c)

38 J

d)

8.5 J

80.

A 240 volt, 3 amp heater is left running for 5 minutes.


Which of these gives the total energy output?

a)

3.6 kJ

b)

216 kJ

c)

72 kJ

d)

0.9 kJ

81.
A student connects various resistors in parallel pairs. Underneath each diagram is a statement about the total resistance of each pair of resistors. Which statement is correct?
a)
A
b)
B
c)
C
d)
D
82.
When the thermistor in the circuit below is heated, the current in the lamp increases. Why does this happen?
a)
The resistance of the lamp decreases.
b)
The resistance of the lamp increases.
c)
The resistance of the thermistor decreases.
d)
The resistance of the thermistor increases.
83.
Which circuit shows a voltmeter measuring the p.d. across a resistor?
a)
A
b)
B
c)
C
d)
D
84.
What is the circuit symbol for a variable resistor?
a)
A
b)
B
c)
C
d)
D
85.
The circuit diagram shows a 4.0 Ω resistor and an 8.0 Ω resistor connected to a 6.0 V battery. What is the current in the battery?
a)
0.50 A
b)
0.75 A
c)
1.5 A
d)
2.0 A
86.
The diagram shows two resistors connected in a circuit. What could be the combined resistance of this arrangement of resistors?
a)
18 Ω
b)
9.0 Ω
c)
6.0 Ω
d)
4.0 Ω
87.
P and Q are the circuit symbols for two electrical components. Which components are represented by P and Q?
a)
A
b)
B
c)
C
d)
D
88.

The diagram shows the speed-time graph for a car.

Which area represents the distance traveled while the car is accelerating?

a)

X

b)

X + Y

c)

Y

d)

Y - X

89.

The speed-time graph shows the motion of a car.

Which choice describes the motion?

a)

accelerating between P and Q; moving at constant speed between Q and R.

b)

accelerating between P and Q; not moving between Q and R.

c)

moving at constant speed between P and Q; decelerating between Q and R.

d)

moving at constant speed between P and Q; not moving between Q and R.

90.

A change in speed over a given period of time is

a)

velocity

b)

motion

c)

speed

d)

acceleration

91.
How is velocity different than speed?
a)
Speed opposes velocity
b)
Velocity is speed with a direction
c)
None of the answers are correct
92.

The diagram shows a tug-of-war between team X and team Y. The arrows show the forces exerted by the teams on the rope.

What is the size of the resultant force on the rope and in which direction does the resultant force act?

a)

size of resultant force = 75 N; direction of resultant force = to the left

b)

size of resultant force = 75 N; direction of resultant force = to the right.

c)

size of resultant force = 725 N; direction of resultant force = to the left

d)

size of resultant force = 725 N; direction of resultant force = to the right.

93.
a)

A

b)

B

c)

C

d)

D

94.
If you have a gold brick that is 2 cm by 3 cm by 4 cm and has a density of 19.3 g/cm3, what is its mass?
a)
463.2 g/cm3
b)
463.2 g
c)
0.804 kg
d)
0.804 g
95.

A cuboid made of iron has a width of 12 cm,a length of 10 cm,a mass of 0.5 kg,and a density of 7.9 g/cm3.What is its height?

a)

0.53 cm

b)

0.2 cm

c)

0.3 cm

d)

2 cm

96.

What is the pressure exerted by a force of 50 N on an area of 2 m²?

a)

10 Pa

b)

100 Pa

c)

50 Pa

d)

25 Pa

97.

What is the density of an object with a mass of 50 kg and a volume of 10 m³?

a)

0.5 kg/m³

b)

5 kg/m³

c)

50 kg/m³

d)

500 kg/m³

98.
True or false... "mass" is the exact same thing as "weight"?
a)
True
b)
False
99.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
100.

The region where a charge experiences a force is ..............................

a)

magnetic field

b)

current

c)

electric field

d)

gravitational field

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