Physics Sound Quiz For 10th Grade
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Physics, Junior Science, NZ, high school
- 1.Which statement describes the amplitude?
- A.
Distance from middle line (average) to top of wave (crest)
- B.
The very top point of a wave
- C.
The very bottom point of a wave
- D.
The distance between two crests
- 2.Which sound wave has the longest wavelength?
- A.
The blue one (top)
- B.
The green one (middle)
- C.
The reddish one (bottom)
- D.
None of them
- 3.Which sound wave has the greatest amplitude?
- A.
The bottom wave
- B.
The top wave
- C.
Both waves have the same amplitude
- 4.Which wave has the shortest wavelength?
- A.
The high frequency wave (top)
- B.
The low frequency wave (bottom)
- C.
They both have the same wavelength
- 5.Select all the statements that are TRUE
- A.
The top sound wave has a longer wavelength than the bottom
- B.
The bottom sound wave would be louder than the top one
- C.
The note (pitch) of the bottom wave would be higher than the top one
- D.
Both waves have the same frequency
- 6.The word 'pitch' refers to how high or low a note sounds
- A.
True
- B.
False
- 7.We can hear sound waves coming out of a radio, but 'radio waves' are actually part of the electromagnetic spectrum that includes visible light.
- A.
True
- B.
False
- 8.Tick all the ones that are TRUE
- A.
Sound waves can travel through a vacuum (space)
- B.
Radio waves are sound waves
- C.
Radio waves are actually part of the electromagnetic spectrum (like light)
- D.
Sound can only travel through particles like air, rocks or water
- 9.How do we hear sounds?
- A.
Air particles hit our eardrums
- B.
The energy of the wave penetrates our brain
- C.
The eardrum stays completely still
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