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If a spring of spring constant k stretched by a length x under tension T, the energy stored is
Options
(a) 2k/T²
(b) 2T²/k
(c) T²/2k
(d) 2T/k²
Correct Answer:
T²/2k
Explanation:
Energy stored in the spring, U = (1/2).kx²
Since T = kx, .·. U = (1/2) k (T/k)² = T²/2k.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Figure below shows two paths that may be taken by a gas to go from a state A
- The necessary condition in making of a junction transistor
- A particle moves with constant speed v along a circular path of radius r and completes
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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