The distance between two consecutive crests in a wave train produced in a string is 5 cm. If 2 complete waves pass through any point per second, the velocity of the wave is

10 cm/sec

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2.5 cm/sec

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5 cm/sec

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15 cm/sec

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Solution

The correct option is A
10 cm/sec

As we know by formula, ν = nλ

V = 2 × 5 = 10cm/sec

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The distance between two consecutive crests in a wave train produced in a

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