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EARDRUMS WAVE SOLIDS AMPLITUDE LIQUIDS HIGH LOUD ULTRASOUND 330 FREQUENCY VACUUM LESS
HIGH
a) The propagation of sound can be described in terms of motion of a
b) Sound cannot travel through a
c) Sound can travel through gases, and
d) A high of vibration makes a pitched sound
e) A large of vibration makes a sound
f) Sound travels quickly than light.
g) The speed of sound in air is about m/s.
h) We hear sound when a sound wave causes our to vibrate.
i) Some sounds have too a frequency to hear.
These are called
Answers: 3
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