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An observer is moving with speed v0 towards a stationary source emitting a sound wave of wavelength λ The change in wavelength detected by the observer is (v = speed of sound)

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a

vv0λ

b

v0vλ

c

v02vλ

d

zero

answer is D.

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Detailed Solution

motion of the observer does not change the wavelength

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An observer is moving with speed v0 towards a stationary source emitting a sound wave of wavelength λ The change in wavelength detected by the observer is (v = speed of sound)