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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
- A uniform chain of length L and mass m is kept on a smooth table. It is released
- The transverse nature of electromagnetic waves is proved by which of the following?
- Wires A and B are made from the same material. A has twice the diameter and three times
- In a radioactive decay process, the negatively charged emitted β- particles are
- An atom bomb weighing 1 kg explodes releasing 9×10¹³ J of energy.
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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