NEET Physics Waves Online Test Set A

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Question 1

Question

Two tuning forks with natural frequencies 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.

Answer

2 m/s

1 m/s

1.5 m/s

2.5 m/s