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Two tuning forks with n atur al fr equen cies 340 Hz each move relative to a stationary observer. One fork moves away from the observer, while the other moves towards the observer at the same speed. The observer hears beats of frequency 3 Hz. Find the speed of the tuning forks.
  • a)
    1.5 m/s
  • b)
    2 m/s
  • c)
    1 m/s
  • d)
    2.5 m/s
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Two tuning forks with n atur al fr equen cies 340 Hz each move relativ...
Let v = speed of sound and vS = speed of tuning forks. Apparent frequency of fork moving towards the observer is 
Apparent frequency of the fork moving away from the observer is 
If f is the number of beats heard per second. th en f = n1 – n2

putting v = 340 m/s, f = 3, n = 340 Hz we get,
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Two tuning forks with n atur al fr equen cies 340 Hz each move relative to a stationary observer. One fork moves away from the observer, while the other moves towards the observer at the same speed. The observer hears beats offrequency 3 Hz. Find the speed of the tuning forks.a)1.5 m/sb)2 m/sc)1 m/sd)2.5 m/sCorrect answer is option 'A'. Can you explain this answer?
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Two tuning forks with n atur al fr equen cies 340 Hz each move relative to a stationary observer. One fork moves away from the observer, while the other moves towards the observer at the same speed. The observer hears beats offrequency 3 Hz. Find the speed of the tuning forks.a)1.5 m/sb)2 m/sc)1 m/sd)2.5 m/sCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Two tuning forks with n atur al fr equen cies 340 Hz each move relative to a stationary observer. One fork moves away from the observer, while the other moves towards the observer at the same speed. The observer hears beats offrequency 3 Hz. Find the speed of the tuning forks.a)1.5 m/sb)2 m/sc)1 m/sd)2.5 m/sCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two tuning forks with n atur al fr equen cies 340 Hz each move relative to a stationary observer. One fork moves away from the observer, while the other moves towards the observer at the same speed. The observer hears beats offrequency 3 Hz. Find the speed of the tuning forks.a)1.5 m/sb)2 m/sc)1 m/sd)2.5 m/sCorrect answer is option 'A'. Can you explain this answer?.
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