Question

II. Fill in the blanks with the correct option:
disturbance/ increases/ amplitude/ medium
1. Sound is produced due to the_____in a medium .
2. The pitch of a sound_____
with increase in frequency.
3. Sound becomes louder if ___
is increased.
4. Sound requires______ to travel.
​

Answer 1

Answer:

1 increase

2disturbance

3 amplitude

4medium

Answer 2

Answer:

1 increases

2 disturbance

3 amplitude

4 medium

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