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- 1. Multiple Choice
The units of frequency are...
metres
seconds
Hertz
degrees
- 2. Multiple Choice
Light is an example of a transverse wave
True
False
- 3. Multiple Choice
Sound is an example of a transverse wave
True
False
- 4. Multiple Choice
Which of the following statements describes the period of a wave?
Number of waves per second
Distance from crest to crest
Distance from resting position to top of the wave
Time taken to produce one wave
- 5. Multiple Choice
A microwave has a frequency of 300MHz. What is the wavelength of these waves?
1000 m
100 m
10 m
1 m
- 6. Multiple Choice
The period of a wave is 0.1 s. What is the frequency of this wave?
0.1 Hz
1 Hz
10 Hz
100 Hz
- 7. Multiple Choice
The lowest frequency form of visible light is...
Red
Yellow
Green
Violet
- 8. Multiple Choice
The correct order of the EM spectrum is...
R M IR UV V X G
G X UV V M R
R M IR V UV G
R M IR V UV X G
- 9. Multiple Choice
One use of radio waves is...
Broadcasting and communications
Heating
Observing internal structure of objects
Sterilising food and medical equipment
- 10. Multiple Choice
The following image demonstrates...
Reflection
Refraction
Interference
Diffraction
- 11. Multiple Choice
What is the refractive index, n, of water?
1.37
1.36
1.35
1.34
- 12. Multiple Choice
20 waves pass a point in 5 s. How is the frequency of these waves?
100 Hz
20 Hz
5 Hz
4 Hz
- 13. Multiple Choice
All waves can be reflected and refracted.
True
False
- 14. Multiple Choice
The critical angle in the diagram is 43 degrees. What is the angle of refraction at the critical angle?
Less than 43
Equal to 43
More than 43 but less than 90
Equal to 90 degrees
- 15. Multiple Choice
The critical angle of a block is 45 degrees. What is the refractive index of this block?
1.39
1.40
1.41
1.42
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