JEE Main 2021 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 26 February 2021, Shift 2, Physics Q22

Question 22 of 90 in this shift, Physics question 22 of 30, Section B.

Time period of a simple pendulum is T. The time taken to complete

\frac{5}{8}

oscillations starting from mean position is

\frac{\alpha}{\beta}

T. The value of

\alpha

is ________.

Official answer

NTA final key.

Chapter: Oscillations
Topic: SHM Equations
Idea tested: General Solution of SHM

Same idea in other shifts

Asked 3× in all

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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.