| ⇦ | 
| ⇨ |
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: - If a solid ball of metal has a concentric spherical cavity with in it if the ball
- Two cells when connected in series are balanced on 8m on a potentiometer.
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- A particle moving along a straight line OX.At a time (in second ) the distance
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- Two cells when connected in series are balanced on 8m on a potentiometer.
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- A particle moving along a straight line OX.At a time (in second ) the distance
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
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