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Question

A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency :

A
128 Hz
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B
256 Hz
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C
384 Hz
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D
510 Hz
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Solution

The correct option is C 256 Hz
The frequency of a tuning fork depends on the following.
  • Tine stiffness
  • Tine length
  • The force with which it's struck
  • Density of the surrounding air
  • Temperature of the surrounding air
The various tuning forks provide single frequency sinusoidal tones and are excellent approximations of simple harmonic oscillators. One of the 256 Hz tuning forks is also adjustable in frequency so that beats may be heard when it is sounded simultaneously with a regular 256 Hz fork.

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