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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In electromagnetic wave, according to Maxwell, changing electric field gives
- Two point charge +9e and +e are at 16 cm away from each other.
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- Two thin lenses when placed in contact, then the power of combination is +10 D.
- Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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