If the distance between two consecutive crests is $5$ cm and $2$ waves passes from a point in one second the wave velocity is-

2

cm/sec

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2.5

cm/sec

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5

cm/sec

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10

cm/sec

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Solution

The correct option is D $10$ cm/sec
$λ = 5 c m$
$T = \frac{1}{2} s e c .$
$v = f λ = \frac{f}{T} = 10 c m / s$
Hence,
option $(D)$ is correct answer.

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If the distance between two consecutive crests is 5cm and 2waves passes from a point in one second the wave velocity is-

The correct option is D 10cm/secλ=5cmT=12sec.v=fλ=fT=10cm/sHence,option (D) is correct answer.

If the distance between two consecutive crests is $5$ cm and $2$ waves passes from a point in one second the wave velocity is-

The correct option is D $10$ cm/sec
$λ = 5 c m$
$T = \frac{1}{2} s e c .$
$v = f λ = \frac{f}{T} = 10 c m / s$
Hence,
option $(D)$ is correct answer.