The given figure shows the shape of part of a long string in which transverse waves are produced by attaching one end of the string to tuning fork of frequency 250 Hz. What is the velocity of the waves?

$1.0 m s^{- 1}$

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$1.5 m s^{- 1}$

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$2.0 m s^{- 1}$

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$2.5 m s^{- 1}$

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Solution

The correct option is A
$1.0 m s^{- 1}$

It is clear from the figure that wavelength, $λ = 0.4 c m$
Now, frequency, $f = 250 H z$
We know that, wave velocity, $v = f λ = 250 \times 0.4 = 100 c m s^{- 1} = 1 m s^{- 1}$
Hence, the correct choice is (a).

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The given figure shows the shape of part of a long string in which transverse waves are produced by attaching one end of the string to tuning fork of frequency 250 Hz. What is the velocity of the waves?

The correct option is A 1.0 ms−1 It is clear from the figure that wavelength, λ=0.4 cm Now, frequency, f=250 Hz We know that, wave velocity, v=fλ=250×0.4=100 cms−1=1 ms−1 Hence, the correct choice is (a).

The correct option is A
$1.0 m s^{- 1}$

It is clear from the figure that wavelength, $λ = 0.4 c m$
Now, frequency, $f = 250 H z$
We know that, wave velocity, $v = f λ = 250 \times 0.4 = 100 c m s^{- 1} = 1 m s^{- 1}$
Hence, the correct choice is (a).