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2024 G10 mega questionbank

Total questions: 140

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

What is 10 MV?

a)

10V

b)

10,000V

c)

1,000,000 V

d)

10,000,000 V

e)

100V

2.

What does m stand for in mW

a)

milli

b)

mega

c)

micro

d)

nano

e)

många

3.

What as the gradient of a dist-time graph

a)

distance travelled

b)

velocity

c)

speed

d)

acceleration

e)

displacement

4.

What as the gradient of a displacement-time graph

a)

distance travelled

b)

velocity

c)

speed

d)

acceleration

e)

displacement

5.

What is area of dist-time graph?

a)

distance travelled

b)

velocity

c)

speed

d)

acceleration

e)

no physical meaning

6.

What is the gradient of a velocity-time graph

a)

distance travelled

b)

velocity

c)

speed

d)

acceleration

e)

no physical meaning

7.

What is the area of a velocity-time graph

a)

distance travelled

b)

velocity

c)

speed

d)

change of displacement

e)

no physical meaning

8.

What is the average speed?

a)

total time taken divided by total distance travellled

b)

total distance travelled divided by total time taken

c)

total distance x total time

d)

rate of change of distance

e)

(initial velocity + final velocity) divided by 2

9.

If a bus is travelling at 30 m/s, but suddenly breaks within 2s to a halt, what is its acceleration?

a)

-30 ms-2

b)

15 ms-1

c)

-15 ms-2

d)

-15 ms-1

e)

15 ms-2

10.

What is the approximate acceleration due to gravity?

a)

1 m/s2

b)

10 m/s2

c)

1 m/s1

d)

1 m/s2

11.

What is 1mg equal to?

a)

1 x 10-3 kg

b)

1 x 10-6 kg

c)

1 x 10-9 kg

d)

1 x 10-2 kg

12.

What is 1mW equal to?

a)

1 x 10-3 W

b)

1 x 10-6 W

c)

1 x 10-9 kg

d)

1 x 10-1 kg

13.

How many MW are in a GW

a)

1x103

b)

1x106

c)

1x109

d)

1x1012

e)

100

14.

The gradient of a speed/time graph is the

(a)  

15.

in a distance/time graph, what gives you the speed?

(a)  

16.

The XXXX of a speed/time graph is the distance travelled

(a)  

17.

the wave travels to the right at a velocity of 10m/s. What is the wavelength?

a)

2m

b)

1m

c)

10m

d)

20M

e)

5M

18.

the wave travels to the right at a velocity of 10m/s. What is the time period?

a)

2s

b)

1s

c)

10s

d)

5s

e)

0.5s

19.

A longitudinal wave is when the medium oscillates ********* to the direction of the energy transfer.

(a)  

20.

a transverse wave is when the (particles in the) medium oscillate ********* to the direction of the energy transfer

(a)  

21.

Which of these waves has the highest pitch?

a)

A

b)

B

c)

C

d)

D

22.

Which of these waves has the deepest sound?

a)

A

b)

B

c)

C

d)

D

23.

Which of these waves has the is the loudest sound?

a)

A

b)

B

c)

C

d)

D

24.

Which two waves have the same amplitude?

a)

A

b)

B

c)

C

d)

D

25.

What property of waves does this illustrate?

(a)  

26.

Which properties of waves is this?

(a)  

27.

Without a force to stop or slow a coasting object, the object will coast forever in a ______ line.

a)

blue

b)

red

c)

straight

d)

vertical

e)

curved

28.

Newton's 1st Law is also called the Law of ...

a)

Friction

b)

Inertia

c)

Unbalanced forces

d)

Newtons

29.

An object in motion tends to stay in motion unless an (a)   force acts on it.

30.

An automobile you are riding in suddenly stops, but you continue to go forward. This is an example of ...

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

31.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
32.

This 4kg skydiver cat is moving down at a terminal velocity of around 25m/s. Which of the following correctly explains the comparison between the air resistance and the weight.

a)

The air resistance cancels out the weight so the cat is still

b)

The air resistance cancels out the weight so the cat is moving at a constant velocity.

c)

The weight is greater than the air resistance so the cat moves down.

d)

The air resistance is greater than the weight so it keeps the cat up.

33.

This 4kg skydiver cat is falling through the air. Its weight is 40N and its air resistance is 32N. What is the acceleration of the cat?

a)

1 m/s2

b)

2 m/s2

c)

8 m/s2

d)

10 m/s2

34.

A boat uses sonar to detect the depth of the water. A 500Hz signal is emitted and the echo is heard 4 seconds afterwards. Sound travels at 1500 m/s. How deep is the water?

a)

3000 m

b)

6000 m

c)

3m

d)

150m

e)

2000m

35.

Which of the following has the greatest momentum?

a)

a scurrying cockroach

b)

a parked semi-truck

c)

more information is needed

36.
A person on a stationary skateboard throws a bowling ball with a velocity of 5.0 m/s. What is a possible speed of the person after the throw? 
a)
0 m/s
b)
1.5 m/s
c)
5.0  m/s
d)
7.5 m/s
37.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
38.

An impulse depends on

a)

weight and force

b)

force and time

c)

electric charge and time

d)

none of these

39.

What is another name for the impulse?

a)

the force

b)

the momentum

c)

the change of momentum

d)

the change of force

e)

the change of energy

40.

If an unbalanced force of 10N is applied to an object for 5 seconds, what will the impulse be?

a)

5 kgm/s

b)

10 kgm/s

c)

2 kgm/s

d)

50 kgm/s

41.

If an impulse of 100 kgm/s is applied to an object of 20kg, what will the change of velocity be?

a)

20m/s

b)

100 m/s

c)

5 m/s

d)

2000 m/s

42.

In the diagram of the wave, what is A?

a)

wave amplitude

b)

wave height

c)

wavelength

d)

wave crest

e)

wave trough

43.

In the diagram of the wave, what is B?

a)

wave amplitude

b)

wave height

c)

wavelength

d)

wave crest

e)

wave trough

44.

In the diagram of the wave, what is C?

a)

wave amplitude

b)

wave height

c)

wavelength

d)

wave crest

e)

wave trough

45.

In the diagram of the wave, what is D?

a)

wave amplitude

b)

wave height

c)

wavelength

d)

wave crest

e)

wave trough

46.

In the diagram of the wave, what is E?

a)

wave amplitude

b)

wave height

c)

wavelength

d)

wave crest

e)

wave trough

47.

What kind of wave is this?

a)

transverse wave

b)

perpendicular wave

c)

longitudinal wave

d)

microwave

e)

mexican wave

48.

what is the definition of the frequency of a wave?

a)

high high it is

b)

how low it is

c)

how fast it travels

d)

the number of waves that pass a fixed point

e)

the number of waves that pass a fixed point per second

49.

the wave travels to the right at a velocity of 5m/s. What is the wavelength?

a)

2m

b)

1m

c)

10m

d)

20M

e)

5M

50.

the wave travels to the right at a velocity of 5m/s. What is the amplitude?

a)

2m

b)

1m

c)

10m

d)

20M

e)

5M

51.

the wave travels to the right at a velocity of 5m/s. What is the frequency?

a)

2Hz

b)

1Hz

c)

10Hz

d)

5Hz

e)

0.5Hz

52.

the wave travels to the right at a velocity of 5m/s. What is the time period?

a)

2s

b)

1s

c)

10s

d)

5s

e)

0.5s

53.

the wave travels to the right at a velocity of 5m/s. How long will it take for the wave to travel from point P to the right hand side of the image

a)

2s

b)

1s

c)

10s

d)

3s

e)

0.5s

54.

This image represents a sound wave. What represents the wavelength of this wave?

a)

It cannot be determined from this graphic

b)

A-B

c)

B-C

d)

B-D

e)

A-D

55.

This image represents a sound wave. What represents the amplitude of this wave?

a)

It cannot be determined from this graphic

b)

A-B

c)

B-C

d)

B-D

e)

A-D

56.

This image represents a sound wave. What kind of wave is sound?

(a)  

57.

This image represents a sound wave. What is the name for the area shown by A?

(a)  

58.

This image represents a sound wave. What is the name for the area shown by B?

(a)  

59.

A longitudinal wave is when the medium oscillates ********* to the direction of the energy transfer.

(a)  

60.

a transverse wave is when the (particles in the) medium oscillate ********* to the direction of the energy transfer

(a)  

61.

A wave is a when ****** is transferred without the transfer of matter.

(a)  

62.

a transverse wave is when the (particles in the) medium oscillate ********* to the direction of the energy transfer

(a)  

63.

A sound wave can be represented on a CRO (cathode ray oscilloscope) as a varying voltage (looking like a transverse wave).

What would happen to the appearance of the wave if it were made louder?

a)

it would be squashed vertically

b)

it would be stretched vertically

c)

it would be squashed horizontally

d)

it would be stretched horizontally

64.

A sound wave can be represented on a CRO (cathode ray oscilloscope) as a varying voltage (looking like a transverse wave).

What would happen to the appearance of the wave if it were made to have a higher pitch?

a)

it would be squashed vertically

b)

it would be stretched vertically

c)

it would be squashed horizontally

d)

it would be stretched horizontally

65.

What is approximately the highest frequency you can hear?

a)

20 000 Hz

b)

10 000 Hz

c)

50 000 Hz

d)

1000 Hz

e)

500 Hz

66.

Which of these waves has the highest pitch?

a)

A

b)

B

c)

C

d)

D

67.

Which of these waves has the deepest sound?

a)

A

b)

B

c)

C

d)

D

68.

Which of these waves has the is the loudest sound?

a)

A

b)

B

c)

C

d)

D

69.

Which of these waves has the same volume as a second wave, AND the same pitch of a third wave?

a)

A

b)

B

c)

C

d)

D

70.
EM waves have the same speed but different:
a)
frequency & medium 
b)
wavelength & frequency
c)
medium & wavelength
d)
color & medium
71.

3 uses for Infrared radiation

a)

telescopes, TV remotes, thermal imaging

b)

TV remotes, cell phones, kills cancer cells

c)

tanning, blacklight, thermal imaging

d)

view bones, kills bones, TV remotes

72.
What is the correct term used for the visible light spectrum in terms of highest to lowest frequency?
a)
ROYGBIV
b)
VIBGYOR
73.

What color laser would have the lowest frequency?

a)

orange

b)

green

c)

indigo

d)

blue

e)

violet

74.
How are EM waves different from Mechanical waves?
a)
EM waves need a medium
b)
Mechanical waves need a medium
c)
EM waves can travel through empty space only
d)
Mechanical waves transfer matter
75.

What type of waves are EM Waves?

a)

ocean

b)

compression

c)

transverse

d)

longitudinal

e)

rarefaction

76.
When you select radio stations in a car what are you changing?
a)
amplitude
b)
frequency
c)
wavelength
d)
speed
77.

What EM wave has a lower frequency than X rays but shorter wavelength than visible light?

a)

Radio

b)

Microwave

c)

Gamma rays

d)

Ultraviolet

e)

ultrasound

78.
Two problems that overexposure to UV radiation can cause are:
a)
skin cancer & vision problems
b)
treats cancer & tanning
c)
tanning & vision problems
d)
skin cancer & treats cancer
79.
What is another use or X-rays apart from the ability to see the skeleton?
a)
scanning luggage
b)
speed gun
c)
heat vision
d)
communication devices
80.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
81.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
82.

A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees to the normal. What is the angle of refraction? (air n=1, crown glass n=1.532)

a)

39.7 degrees

b)

19.2 degrees

c)

59.1 degrees

d)

12.3 degrees

83.

Light travels through a liquid at 2.25 x108 m/s. What is the refractive index of the liquid?

a)
1.33
b)
1.0
c)
1.523
d)
2.45
84.
Light has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
a)
diamond
b)
water
c)
flint glass
d)
barium glass
85.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
86.
A student placed a pencil in a cup of water.  The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
87.
What type of lens do humans have in their eyes? 
a)
Concave Lens 
b)
Convex Lens 
88.

Fiber optic cables work because of the principle of _____.

a)

total internal refraction

b)

incomplete internal refraction

c)

total internal reflection

d)

partial internal reflection

89.

Which of the following are not part of the electromagnetic spectrum

a)

visible light

b)

ultrasound

c)

infrasound

d)

microwaves

e)

gamma rays

90.

which of the following eyes suffers from shortsightedness?

a)
b)
c)
d)
91.

which of the following eyes suffers from farsightedness?

a)
b)
c)
d)
92.
Radio waves are received at a house at the bottom of a hill.
The waves reach the house because the hill has caused them to be 
a)
diffracted.
b)
radiated.
c)
reflected.
d)
refracted.
93.

Waves in deep water have a wavelength of 2 cm and a speed of 10 cm/s. What is the frequency?

a)

12 Hz

b)

5.0 Hz

c)

8 Hz

d)

5.0 s

e)

10 Hz

94.

What property of waves does this illustrate?

a)

reflection

b)

refraction

c)

interference

d)

diffraction

e)

polarization

95.

Which properties of waves is this?

a)

refraction

b)

diffraction

c)

interference

d)

reflection

e)

rarefaction

96.

When the wave moves from top left to bottom right, what of the following DOES NOT change in the wave?

a)

the speed of the wave

b)

the frequency of the wave

c)

the wavelength

d)

the direction the wave is transferred

e)

the time period of the wave

97.

What kind of property of waves is shown here?

a)

refraction

b)

rarefaction

c)

diffraction

d)

interference

e)

reflection

98.

What's happening at A?

a)

Two crests are combining to create constructive interference.

b)

A crest and a trough are combining to create destructive interference.

c)

Two crests are combining to create destructive interference.

d)

A crest and trough are combining to create constructive interference.

99.

What is happening at B?

a)

Two crests are combining to create constructive interference.

b)

A crest and a trough are combining to create destructive interference.

c)

Two crests are combining to create destructive interference.

d)

A crest and a trough are combining to create constructive interference.

100.

What is the wave effect when these two wave pulses meet?

a)

refraction

b)

diffraction

c)

destructive interference

d)

constructive interference

e)

reflection

101.

Here the wave is bending around an obstacle. How could you make it bend even more around the obstacle?

a)

increase the wavelength

b)

decrease the wavelength

c)

increase the frequency

d)

increase the amplitude

e)

decrease the amplitude

102.

In the diagram which letters represent the nodes

a)

A B C

b)

A C E

c)

B D

d)

B D E

e)

A C D

103.
The moving black dot is called:
a)
a node
b)
an anti-node
c)
an anti-amplitude
d)
the wangy bit
104.
The stationary dot is called:
a)
a node.
b)
an anti-node.
c)
the amplitude.
d)
the not moving bit.
105.
Which harmonic is shown?
a)
1st
b)
2nd
c)
3rd
d)
4th
106.

The first harmonic on a guitar string has...

a)

1 antinode

b)

1 node

c)

2 antinodes

d)

no nodes

107.

The air in a closed organ pipe vibrates as shown. The length of the pipe is 3.0 m. The frequency of vibration is 80 Hz. The speed of sound in the pipe is approximately

a)

80 m/s

b)

0.16 km/s

c)

0.24 km/s

d)

0.32 km/s

e)

0.96 km/s

108.

Which is the reflected ray?

a)

A

b)

B

c)

C

d)

D

109.
What is the line MN called in the given diagram
                               
a)
incident ray
b)
reflected ray
c)
reflecting surface
d)
normal
110.

A fishing boat uses sonar to find the depth of a school of fish. The speed of sound in water is 1500 m/s. The sonar echo returns 1 second after it is emitted. How deep are the fish?

a)

500m

b)

750m

c)

1500m

d)

2000m

e)

3000m

111.
You cannot hear ultrasound because it is:
a)
too loud
b)
too quiet
c)
high frequency
d)
low frequency
112.

which two particles are oppositely charged

a)

electron

b)

neutron

c)

proton

d)

anti-neutrino

e)

neutrino

113.

which two subatomic particles have approximately the same mass?

a)

proton

b)

neutron

c)

electron

d)

neutrino

114.

Carbon 14. How many protons does carbon 14 have?

a)

6

b)

8

c)

14

d)

4

e)

12

115.

Carbon 14. How many neutrons does carbon 14 have?

a)

6

b)

8

c)

14

d)

4

e)

12

116.

Carbon 14. How many electrons does a carbon 14 atom have?

a)

6

b)

8

c)

14

d)

4

e)

12

117.

This is the model of an atom. What is the name given to the red circle with + in the middle?

(a)  

118.

This is the model of an atom. What is the name given to the blue circle (it has no charge)?

(a)  

119.

This is the model of an atom. What is the name given to the green circles?

(a)  

120.

This is the model of an atom. What do the particles in the centre of the atom make?

(a)  

121.

This is the model of an atom. What are the blue and red circles in the nucleus collectively called?

(a)  

122.

This is the model of an atom. What is the atomic number of this element (with reason)?

a)

2 because there are 2 protons

b)

2 because there are 2 neutrons

c)

4 because there are 4 nucleons in the nucleus

d)

2 because there are 2 electrons

e)

6 because there are 6 subatomic particles

123.

This is the model of an atom. What is the atomic mass of this element?

a)

1

b)

2

c)

4

d)

6

124.

Which of the following does the A stand for?

a)

the proton number

b)

the atomic number

c)

the sum of the number of protons and neutrons

d)

the atomic mass

e)

the number of nucleons

125.

Which of the following does the Z stand for?

a)

the proton number

b)

the atomic number

c)

the sum of the number of protons and neutrons

d)

the atomic mass

e)

the number of neutrons

126.

What is the number of protons in this atom?

(a)  

127.

What is the number of NUCLEONS in this atom?

(a)  

128.

What is the number of NEUTRONS in this atom?

(a)  

129.

What is the atomic mass of this atom?

(a)  

130.

What is the atomic number of this atom?

(a)  

131.

Which of the following has the greatest momentum?

a)

a scurrying cockroach

b)

a parked semi-truck

c)

more information is needed

132.
A person on a stationary skateboard throws a bowling ball with a velocity of 5.0 m/s. What is a possible speed of the person after the throw? 
a)
0 m/s
b)
1.5 m/s
c)
5.0  m/s
d)
7.5 m/s
133.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
134.

An impulse depends on

a)

weight and force

b)

force and time

c)

electric charge and time

d)

none of these

135.

What is another name for the impulse?

a)

the force

b)

the momentum

c)

the change of momentum

d)

the change of force

e)

the change of energy

136.

If an unbalanced force of 10N is applied to an object for 5 seconds, what will the impulse be?

a)

5 kgm/s

b)

10 kgm/s

c)

2 kgm/s

d)

50 kgm/s

137.

If an impulse of 100 kgm/s is applied to an object of 20kg, what will the change of velocity be?

a)

20m/s

b)

100 m/s

c)

5 m/s

d)

2000 m/s

138.

What is the primary use of ultraviolet radiation?

a)

sterilization, tanning, and fluorescent lights

b)

night vision, photography, and heating

c)

communication, heating, and cooking

d)

television, radio, and sonar

139.

What happens to light when it passes from air into glass?

a)

it slows down

b)

it disappears

c)

it reflects completely

d)

it speeds up

140.

A sound wave travels at a speed of 340 m/s. If it takes 2 seconds to return after bouncing off a wall, how far is the wall?

a)

850 m

b)

340 m

c)

680 m

d)

170 m

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