Wave Motion 4 Question 15
14. A whistle giving out approaches a stationary observer at a speed of . The frequency heard by the observer (in Hz) is (Speed of sound
(a) 409
(b) 429
(c) 517
(d) 500
Objective Questions II (One or more correct option)
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Answer:
Correct Answer: 14. (c)
Solution:
- Source is moving towards the observer