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If the error in the measurement of momentum of particle is (+100 % ), then the error in the measurement of kinetic energy is
Options
(a) 100 %
(b) 200 %
(c) 300 %
(d) 400 %
Correct Answer:
300 %
Explanation:
Error in measurement of momentum is + 100%
.·. p₁ = p, p₂ = 2p
KE₁ = p²/2m, KE₂ = (2p)²/2m
% in KE = [(KE₂ – KE₁) / KE₁] × 100 = [(4-1) / 1] × 100 = 300 %.
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Question Type: Memory
(964)
Difficulty Level: Easy
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Topics: Physical World and Measurement
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The frequency of fundamental tone in an open organ pipe of length
- When a string is divided into three segments of length l₁, l₂ and l₃ the fundamental
- The reddish appearance of the sun at sunrise and sunset is due to
- A spherical drop of mercury having a potential of 2.5 v is obtained as a result
- Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Physical World and Measurement (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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