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A tuning fork A produces 4 beats per second with another tuning fork B of frequency 320 Hz. On filing one of the prongs of A, 4 beats per second are again heard when sounded with the same fork B. Then the frequency of the fork A before filing is
Options
(a) 328 Hz
(b) 316 Hz
(c) 324 Hz
(d) 320 Hz
Correct Answer:
316 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- A circular disc of radius R is removed from a bigger circular disc of radius 2R
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The horizontal and vertical components of earth’s magnetic field at a place
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Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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