JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumCalculation

JEE Main 24 June 2022, Shift 1, Physics Q37

Question 37 of 90 in this shift, Physics question 7 of 30, Section A.

A boy ties a stone of mass 100 g to the end of a 2 m long string and whirls it around in a horizontal plane. The string can withstand the maximum tension of 80 N. If the maximum speed with which the stone can revolve is

\frac{K}{\pi}

rev./min. The value of K is : (Assume the string is massless and unstretchable)

(1)400
(2)300
(3)600Official answer
(4)800

Official answer

Option 3

NTA final key (2022 Session 1).

Chapter: Laws of Motion
Topic: Circular Motion
Idea tested: Breaking Tension Limits

Same topic in other shifts

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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 42 of the 174 JEE Main shifts held from 2017 to 2026.