Question

Write 'true' or 'false' for the following statements :


1. Ultrasonic wave is used for homogenising milk.

2. The sensation of any sound persists for 1/20 second in our ear.


3. Loudness distinguishes a feeble sound from a loud sound of the same frequency.

4. Pitch of the sound produced is determined by the wave nature of the vibrating body.

5. The quality of sound is produced due to change in waveform.​

Answer 1

Answer:

uski web rm I'll of eg eh to tell y in

Answer 2

Answer:

Explanation:

1) false

2) true

3) true

4) false

5) false

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