ICSE Class 10 Physics 2022 Paper

The diagram below shows a vibrating tuning fork $E$ mounted on a sound box $X$ . When the vibrating tuning forks A, B, C and D are placed on the sound box ${Y}$ one by one, it is observed that a louder sound is produced when the tuning fork B is placed on ${Y}$ .

Question : 35 of 45

Marks: +1, -0

Why does B produce a louder sound?

Solution:

B produce a louder sound as it is in resonance with tuning fork

E

. The frequency of B matches with the natural frequency of

E

and due to resonance the amplitude of vibration increases thereby increasing the loudness.

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