JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 24 June 2022, Shift 2, Physics Q42

Question 42 of 90 in this shift, Physics question 12 of 30, Section A.

An object of mass 5 kg is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of 10 N throughout the motion. The ratio of time of ascent to the time of descent will be equal to : [Use g = 10ms

^{-2}

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

Official answer

Option 2

NTA final key.

Chapter: Laws of Motion
Topic: Kinematics in 1D
Idea tested: Uniform Acceleration Equations

Same idea in other shifts

Asked 8× 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.