A tuning fork, struck by a rubber pad, is held over a length of air column in a tube.

Question 1

A tuning fork, struck by a rubber pad, is held over a length of air column in a tube. It produces a loud sound for a fixed length of the air column.

(a) Name the above phenomenon.

(b) How does the frequency of the loud sound compare with that of the tuning fork?

(c) State the unit for measuring loudness.

Question 2

Phenomenon is resonance

(b) The frequency of the loud sound is increased compared to frequency of tuning fork.

(c) Unit of loudness is decibel dB which signifies sound PRESSURE LEVEL.

ldB = 10 log10 1/10

kratos · Answer 1 · 2020-04-26T13:59:08+0000

Phenomenon is resonance

(b) The frequency of the loud sound is increased compared to frequency of tuning fork.

(c) Unit of loudness is decibel dB which signifies sound PRESSURE LEVEL.

ldB = 10 log10 1/10

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