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A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by the body is
Options
(a) MV
(b) 1.5 MV
(c) 2MV
(d) zero
Correct Answer:
2MV
Explanation:
Impulse experienced by the body
= change in momentum
MV – ( – MV) = 2 MV
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
- A radioactive substance contains 10000 nuclei and its halflife period is 20 days
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- Water falls from a height of 60m at the rate of 15 kg/s to operate a turbine
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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