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MHT CET Physics question

PhysicsWavesMHT CET

A boat at anchor is rocked by waves whose crests are 100 m apart and whose velocity is 25 m/s. These waves strike the boat once every :

Answer: (D)

Solution

Time between successive crests is \frac{λ}{v}\frac{100}{25}$ = 4\

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Question ID VK-070006