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A particle of mass m moves with constant speed along a circular path of radius r under the action of a force F. Its speed is
Options
(a) √rF/m
(b) √F/r
(c) √Fmr
(d) √F/mr
Correct Answer:
√rF/m
Explanation:
The centripetal force is F=mv²/r
.·. v²=Fr/m
The speed is v= √Fr/m
Related Questions: - A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- The magnetic susceptibility is negative for
- A proton and an alpha particle both enter a region of uniform magnetic field B,
- A milli ammeter of range 10 mA has a coil of resistance 1 ohm
- If h is planck’s constant and λ is wavelength, h/λ has dimensions of
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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