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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
- Young’s modulus of perfectly rigid body material is
- The velocity of sound is V, in air. If the density of air is increased to four times
- What is the nature of Gaussian surface involved in Gauss’s law of electrostatics?
- A slab consists of two parallel layers of two different materials of same thickness
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
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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