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 [CPMT 1990]

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

$λ = 5 c m ν = 2 H z ∴ V = ν λ = 5 \times 2 = 10 c m / s$

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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 [CPMT 1990]

The correct option is A 10 cm/sec λ=5 cmν=2 Hz∴V=νλ=5×2=10 cm/s

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 [CPMT 1990]

The correct option is A
10 cm/sec

$λ = 5 c m ν = 2 H z ∴ V = ν λ = 5 \times 2 = 10 c m / s$