| ⇦ | 
| ⇨ |
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: - The reddish appearance of the sun at sunrise and sunset is due to
- Dimensional formula of magnetic field in terms of mass M, length L
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
- Which of the following measurement is most precise?
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The reddish appearance of the sun at sunrise and sunset is due to
- Dimensional formula of magnetic field in terms of mass M, length L
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
- Which of the following measurement is most precise?
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
Leave a Reply