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A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats with another source of 268 Hz. Then x equals to
Options
(a) 256 Hz
(b) 260 Hz
(c) 264 Hz
(d) 268 Hz
Correct Answer:
260 Hz
Explanation:
Frequency of tuning fork be x.
.·. x = 256 ± 4 = 260 or 252 Hz.
x = 268 ± 8 = 276 Hz or 260 Hz
.·. x =260 Hz.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
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- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
- A beam of light of wavelength 600 nm from a distant source falls
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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