Which is an alteration in the observed frequency of a sound due to motion of either the source or the observer?
Lecturer Physics Past Papers and Syllabus / All — Multiple-choice practice
ذریعہ یا مبصر کی حرکت کی وجہ سے آواز کی مشاہدہ شدہ فریکوئنسی میں کون سا ردوبدل ہے؟
- A. Thermal effect
- B. None of these
- C. Doppler effect
- D. Diffraction effect
Correct answer
Doppler effect
Explanation
Explanation The Doppler effect refers to the change in observed frequency of a sound when the source or observer is in motion. It causes the frequency to increase as they move closer and decrease as they move apart.
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