If a spring of spring constant k stretched by a length x under tension T, the energy

⇦

⇨

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.

Related Questions:

1. Four identical rods are joined to from a square. If the temperature difference
2. Penetrating power of X-rays does not depend on
3. The maximum kinetic energy of the photoelectrons depends only on
4. An atom bomb weighing 1 kg explodes releasing 9×10¹³ J of energy.
5. Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature

Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends