Question

C. Write true or false. Correct the false statements.
1. Sound is produced by vibrating bodies.
2.Loudness of a sound depends upon the frequency of the sound.
3.Sound travels fastest in vacuum.
4.The human ear can hear two sounds separately only if they reach the ear after an interval of
one-twentieth of a second.
5.SONAR is used to produce and transmit low frequency sound waves.
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Answer 1

Answer:

1. true

2. true

3. false

4.true

5.false

Answer 2

Answer:

1. True

2. True

3. False

4. True

5. False