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A tuning fork gives 4 beats with 50 cm length of a sonometer. If the length of the wire is shortened by 1 cm, the number of beats is still the same. The frequency of the fork is
Options
(a) 396 Hz
(b) 400 Hz
(c) 404 Hz
(d) 384 Hz
Correct Answer:
396 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Waves
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A long straight wire carrying current of 30A is placed in an external uniform
- The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
- Two charges each equal to 2µ C are 0.5m apart. If both of them exist inside vacuum
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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