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Sound And Waves
Test Description: Year 9 sound waves revision quiz
Instructions: Answer all questions to get your test result.
1) A sound wave would travel fastest in
A
a glass of water
B
a wooden desk
C
a helium balloon
D
all of these
2) Sound waves can be described as
A
compression waves
B
all of these
C
longitudinal waves
D
mechanical waves
3) Water waves are an example of
A
longitudinal waves
B
transverse waves
C
electromagnetic waves
D
compressional waves
4) The number of waves passing a point in a given amount of time is called the
A
frequency
B
period
C
wavelength
D
amplitude
5) A high frequency wave will
A
be very loud
B
be very quiet
C
have a high pitch
D
have a low pitch
6) The cochlea
A
converts a vibration into an electrical signal
B
causes a vibration
C
passes on a vibration
D
converts an electrical signal into a vibration
7) A wave has a wavelength of 2 cm and a frequency of 10 Hz. The speed of the wave is
A
20 metres per hour
B
5 centimetres per second
C
20 centimetres per second
D
20 metres per second
8) A wave transfers
A
energy from one place to another
B
matter and energy from one place to another
C
neither matter nor energy from one place to another
D
matter from one place to another
9) The Doppler effect can be heard when a police car passes by. As the police car moves towards you
A
the siren will sound quieter
B
the siren will have a higher pitch
C
the sound won't change
D
the siren will have a lower pitch
10) A loud sound
A
has a higher amplitude because it carries more energy
B
has a longer wavelength because it carries more energy
C
has a higher amplitude because the waves are more frequent
D
has a higher speed because it carries more energy
*select an answer for all questions
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