A string vibrates with a natural frequency of 128Hz. Which of the tuning fork given below will resonate with the string?
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Explanation:
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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