JEE Main 2021 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 25 July 2021, Shift 2, Physics Q10

Question 10 of 90 in this shift, Physics question 10 of 30, Section A.

In a simple harmonic oscillation, what fraction of total mechanical energy is in the form of kinetic energy, when the particle is midway between mean and extreme position.

(1) $\frac{3}{4}$ Official answer
(2) $\frac{1}{4}$
(3) $\frac{1}{3}$
(4) $\frac{1}{2}$

Official answer

Option 1

NTA final key.

Chapter: Oscillations
Topic: Energy in SHM
Idea tested: Fractional Energy Displacements

Same idea in other shifts

Asked 3× in all

12 Apr 2023, Shift 1 · Q40A particle is executing simple harmonic motion (SHM). The ratio of potential energy and kinetic energy of the particle when its…EasySingle correct
17 Mar 2021, Shift 1 · Q16For what value of displacement the kinetic energy and potential energy of a simple harmonic oscillation become equal ?EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.