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A smoked plate falls vertically under gr...

A smoked plate falls vertically under gravity. A tuning fork traces wave on it. It is found that the lengths of two conscutive grounps of 10 waves are 5.143 and 6.64 cm respectively. What is the frequecny of the fork ?

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PHYSICS GALAXY - ASHISH ARORA-WAVES -Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO
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