AP EAMCET · PHYSICS · Waves and Sound
A reflector is moving with \(20 \mathrm{~ms}^{-1}\) towards a stationary source of sound. If the source is producing sound waves of \(160 \mathrm{~Hz}\), then the wavelength of the reflected wave is ( speed of sound in air is \(340 \mathrm{~ms}^{-1}\) )
- A \(\frac{17}{8} \mathrm{~m}\)
- B \(\frac{17}{11} \mathrm{~m}\)
- C \(\frac{17}{9} \mathrm{~m}\)
- D \(\frac{17}{16} m\)
Answer & Solution
Correct Answer
(C) \(\frac{17}{9} \mathrm{~m}\)
Step-by-step Solution
Detailed explanation
Wavelength of the reflected wave is…
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