Free Printable Wave Speed

1.

trough

a)

Part B

b)

Part A

c)

Part C

d)

Part D

2.

____________________ is the number of waves that move past one spot in a second

a)

energy

b)

amplitude

c)

wavelength

d)

frequency

3.

Which letter represents wavelength?

a)

A

b)

B

c)

C

d)

D

4.

Which letter represents the wave crest?

a)

A

b)

B

c)

C

d)

D

5.

What is a medium?

a)

something between a small and a large?

b)

the substance through which a wave can travel

c)

a pattern of vibration that simulates when a wave is standing still

d)

the distance from any point on a wave to an identical point on the next wave

6.

One end of the rope is vibrated to produce a wave with a wavelength of .25 m. The Frequency of the wave is 3.0 Hz. What is the speed of the wave?

a)

3.00 m/s

b)

2.50 m/s

c)

.75 m/s

d)

1.25 m/s

7.

A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

a)

500 m/s

b)

50 m/s

c)

5 m/s

d)

0.5 m/s

8.

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

a)

25 m

b)

125 m

c)

5 m

d)

25 m/s

9.

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

a)

34 m/s

b)

3400 Hz

c)

3400 m/s

d)

34 Hz

10.

crest to crest or trough to trough

a)

crest

b)

trough

c)

amplitude

d)

wavelength

11.

Which wave in the diagram has the greatest wavelength?

a)

1

b)

2

c)

3

d)

4

12.

Which wave in the diagram has the greatest frequency?

a)

1

b)

2

c)

3

d)

4

13.

Which wave has the largest wavelength?

a)

A

b)

B

c)

C

d)

None (same wavelength)

14.

Which wave has the largest frequency?

a)

A

b)

B

c)

C

d)

None (same frequency)

15.

If all three are waves of light, which wave has the largest speed?

a)

A

b)

B

c)

C

d)

None (same speed)

16.

If a wave is traveling at 60m/s and has a wavelength of 3m. What is the frequency?

a)

10Hz

b)

20Hz

c)

180Hz

d)

18Hz

17.

What is the speed of a wave with a frequency of 20Hz. and a wavelength of .4m ?

a)

100m/s

b)

25m/s

c)

.8m/s

d)

8m/s

18.

What is the wavelength of a wave traveling at 1600m/s and a frequency of 400Hz?

a)

400m

b)

4m

c)

640,000m

d)

64m

19.

What is the frequency of a wave with .15m wavelength traveling at 40m/s?

a)

6m/s

b)

2.66m/s

c)

266.6m/s

d)

600m/s

20.

A wave moving at 2600m/s with a wavelength of 400m has what frequency?

a)

6.5 Hz

b)

1040000Hz

c)

.15Hz

d)

6Hz

21.

Select all that apply: centi-

a)

1/100

b)

0.01

c)

100

d)

0.1

e)

0.001

22.

Convert 56 centimetres to metres.

a)

0.56 metres

b)

5.6 metres

c)

0.056 metres

d)

560 metres

e)

5600 metres

23.

Convert 56 metres to centimetres.

a)

0.56 centimetres

b)

5.6 centimetres

c)

0.056 centimetres

d)

5600 centimetres

e)

560 centimetres

24.

Convert 56 centimetres to millimetres.

a)

0.56 millimetres

b)

5.6 millimetres

c)

560 millimetres

d)

5600 millimetres

25.

Convert 56 kilometres to metres.

a)

560 metres

b)

5600 metres

c)

5.6 metres

d)

56000 metres

e)

0.056 metres

26.

Convert 56 metres to kilometres.

a)

560 metres

b)

5600 metres

c)

5.6 metres

d)

56000 metres

e)

0.056 metres

27.

Convert 56 megametres to kilometres.

a)

560 kilometres

b)

5600 kilometres

c)

5.6 kilometres

d)

56000 kilometres

e)

0.056 kilometres

28.

Convert 56 megametres to metres.

a)

560,000,000 metres

b)

56,000,000 metres

c)

5.6 metres

d)

56,000 metres

e)

0.056 metres

29.

Convert 56 micrometres to metres

a)

0.000056 metres

b)

0.0056 metres

c)

5.6 metres

d)

560 metres

e)

0.56 metres

30.

Convert 56 millimetres to kilometres

a)

0.000056 kilometres

b)

0.0056 kilometres

c)

5.6 kilometres

d)

560 kilometres

e)

0.56 kilometres

31.

Which of the following is the correct equation for kinetic energy?

a)

$E_k\ =\ \frac{1}{2}mv^2$

b)

$E_k\ =\ mv^2$

c)

$E_e\ =\ \frac{1}{2}ke^2$

d)

$E_k\ =\ \frac{1}{2}mv^{ }$

32.

Which of the following is the correct equation for mass?

a)

$\frac{2E_k}{v^2}\ =\ m$

b)

$\frac{E_k}{v^2}\ =\ m$

c)

$\frac{2E_k}{v^{ }}\ =\ m$

d)

$\frac{E_k}{v^{ }}\ =\ m$

33.

Which of the following is the correct equation for velocity?

a)

$\sqrt{\frac{2E_k}{m}}=\ v$

b)

$\sqrt{\frac{E_k}{m}}=\ v$

c)

$\frac{\sqrt{2E_k}}{m}=\ v$

d)

$\frac{2E_k}{m}=\ v$

34.

What is the unit of work?

a)

Newton

b)

Joule

c)

Watt

d)

meter

35.

Which equation is incorrect?

a)

$F\ =\ \frac{W}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$s\ =\ \frac{W}{F}$

d)

$F\ =\ W\times s$

36.

Which of the following is the correct equation for distance?

a)

$F\ =\ \frac{W}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$s\ =\ \frac{W}{F}$

d)

$s=\ W\times F$

37.

Which of the following is the correct equation for work done?

a)

$W\ =\ \frac{F}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$W\ =\ \frac{s}{F}$

d)

$s=\ W\times F$

38.

If an object is moved a distance of 50 cm with a force of 0.65 N, how much work is done, in joules (J)?

a)

0.325

b)

32.5

c)

0.77

d)

1.3

39.

If an object is moved a distance of 4 metres with a force of 45 N, how much work is done, in joules (J)?

a)

180

b)

1800

c)

0.09

d)

11.25

40.

Nuclear power stations generate electricity through nuclear fission. Electricity can also be generated by burning shale gas. Shale gas is natural gas trapped in rocks. Shale gas can be extracted by a process called fracking. There is some evidence that fracking causes minor earthquakes. Burning shale gas adds carbon dioxide to the atmosphere. Which of the following is NOT an advantage of nuclear power compared with the use of shale gas to generate electricity.

a)

no carbon dioxide emitted

b)

nuclear power doesn’t cause earthquakes

c)

more energy released per kg of fuel

d)

nuclear power plants produce radioactive waste

41.

How far does an object move in metres (m) if a force of 700 newtons is applied and 50 joules of work is done?

a)

0.071

b)

17.5

c)

28,000

d)

0.71

42.

The main use of this fuel is transport.

a)

coal

b)

oil

c)

natural gas

43.

Burning this fuel can cause acid rain.

a)

oil

b)

coal

c)

natural gas

44.

If a roller-coaster cart moving towards the top of a track has 40 J of kinetic energy and 30 J of gravitational potential energy, how much gravitational potential energy will it have at the top of the track?

a)

70 J

b)

40 J

c)

30 J

d)

10 J

45.

Which of the following is an example of a mechanical transfer of energy?

a)

A battery powering a light bulb.

b)

A candle generating heat

c)

A candle generating light

d)

A ball falling towards the Earth

46.

If a falling ball has, at one point in its fall, 20 J of gravitational potential energy and 60 J of kinetic energy, how much kinetic energy will it have when it strikes the Earth?

a)

80 J

b)

60 J

c)

20 J

d)

40 J

47.

Which of the following is false?

a)

Energy is the product of an activity

b)

Energy cannot be created or destroyed

c)

When gravity pulls an object towards the ground, energy is transferred mechanically

d)

A car's engine produces useful kinetic energy and wasted thermal energy

48.

Which of the following is not a store of energy?

a)

friction

b)

magnetic

c)

electrostatic

d)

nuclear

49.

Which of the following correctly solves for height?

a)

$E_p=mgh$

b)

$h=gmE_p$

c)

$h=\frac{gm}{E_p}$

d)

$h=\frac{E_p}{gm}$

50.

Which of the following correctly solves for gravitational field strength?

a)

$E_p=mgh$

b)

$g=hmE_p$

c)

$g=\frac{hm}{E_p}$

d)

$g=\frac{E_p}{hm}$

51.

Which of the following correctly solves for mass?

a)

$E_p=mgh$

b)

$m=ghE_p$

c)

$m=\frac{gh}{E_p}$

d)

$m=\frac{E_p}{gh}$

52.

State the equation which links gravitational field strength, mass, height, and gravitational potential energy

a)

$E_p=\frac{m}{gh}$

b)

$E_p=mgh$

c)

$E_p=\frac{mg}{h}$

d)

$E_p=\frac{gh}{m}$

53.

Convert 0.78 kilojoules to joules.

a)

7,800 joules

b)

780 joules

c)

78 joules

d)

7.8 joules

e)

0.078 joules

54.

Convert 56 centimetres to metres.

a)

560 metres

b)

5600 metres

c)

5.6 metres

d)

0.56 metres

e)

0.056 metres

55.

Select all that apply: kilo-

a)

1/1000

b)

1000

c)

0.01

d)

10³

e)

10^-3

56.

Select all that apply: centi-

a)

1/1000

b)

100

c)

0.01

d)

0.001

e)

1/100

57.

Select all that apply: milli-

a)

1/1000

b)

1000

c)

0.1

d)

0.001

e)

1/100

58.

Calculate the time it takes for 18 joules of energy to be transferred, if power is 9 watts.

a)

2 seconds

b)

0.5 seconds

c)

162 seconds

d)

20 seconds

59.

Calculate the time it takes for 74 kilojoules of energy to be transferred, if power is 8 watts.

a)

9250 seconds

b)

9.25 seconds

c)

0.108 seconds

d)

592 seconds

60.

Calculate energy if in 89 centiseconds a system outputs 57 kilowatts of power.

a)

50730 joules

b)

5073 joules

c)

1.56 joules

d)

0.6404494 joules

Wave Speed

Total questions: 60

Worksheet time: 47mins

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