Question

fill ups:-

1) the loudness of sound is decided by the_____of vibration.

2)A taut membrane produces sound of________ frequency than a loose one.

3)sound travels_____in steel than air.

4)sound cannot travel in______.

Answer 1

1.amplitude

2.more

3.faster

4.vacuum

Answer 2

1)frequency.

2)higher.

3)faster.

4)vacuum.