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The displacement of a particle along the x-axis is given by x = a sin² ?t. The motion of the particle corresponds is:
Options
(a) simple harmonic motion of frquency ? / π
(b) simple harmonic motion of frequency 3? / 2π
(c) non simple harmonic motion
(d) simple harmonic motion of frquency ? / 2π
Correct Answer:
simple harmonic motion of frquency ? / π
Explanation:
x = a sin² ?t = a/2 (1 – cos 2 ?t)
dx/ dt = 2? sin 2 ?t
⇒ d²x/ dt² = 4?ￂﾲa / 2 . cos 2 ?t
This represents an S.H.M. of frequency
? / π
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- In an interference experiment, third bright fringe is obtained at a point
- There are four light-weight-rod samples A,B,C,D seperately suspended by threads
- If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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