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Standard VIII

Physics

Frequency

Sohail had tw...

Question

Sohail had two similar tuning forks A and B. He had hit tuning fork A with a force of 10 N and the tuning fork B with a force of 20 N. When the tuning forks are hit, they started producing compressions and rarefactions in the medium. The loudness is high for which tuning fork.

tuning fork A

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tuning fork B

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both has same

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cannot be determined

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Solution

The correct option is B tuning fork B
On hitting the two similar tuning forks ,their natural frequency will not change but there is a change in the amplitude of tuning fork. The more, the force of hitting, the more is the amplitude and more is the loudness. Therefore, tuning fork B is having more loudness than A.

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