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An observer moves towards a stationary source of sound with a speed 1/5th of the speed of sound. The wavelength and frequency of the sound emitted are λ and f respectively. The apparent frequency and wavelength recorded by the observer are respectively. [2003]
  • a)
    0.8f, 0.8λ
  • b)
    1.2f, 1.2λ
  • c)
    1.2f,λ
  • d)
    f, 1.2λ
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
An observer moves towards a stationary source of sound with a speed 1/...
Wavelength remains constant (unchanged) in this case
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Most Upvoted Answer
An observer moves towards a stationary source of sound with a speed 1/...
B
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An observer moves towards a stationary source of sound with a speed 1/5th of the speed of sound. The wavelength and frequency of the sound emitted are λ and f respectively. The apparent frequency and wavelength recorded by the observer are respectively. [2003]a)0.8f, 0.8λb)1.2f, 1.2λc)1.2f,λd)f, 1.2λCorrect answer is option 'C'. Can you explain this answer?
Question Description
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