JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 27 July 2022, Shift 2, Physics Q34

Question 34 of 90 in this shift, Physics question 4 of 30, Section A.

A block 'A' takes 2 s to slide down a frictionless incline of

30^\circ

and length 'l', kept inside a lift going up with uniform velocity '

v

'. If the incline is changed to

45^\circ

, the time taken by the block, to slide down the incline, will be approximately :

(1)2.66 s
(2)0.83 s
(3)1.68 sOfficial answer
(4)0.70 s

Official answer

Option 3

NTA final key.

Chapter: Laws of Motion
Topic: Newton's Laws of Motion
Idea tested: Forces on a Smooth Incline

Same idea in other shifts

Asked 3× in all

27 Jul 2022, Shift 2 · Q60Two inclined planes are placed as shown in figure. A block is projected from the Point A of inclined plane AB along its surface with a…MediumNumerical valueHas a figure
29 Jul 2022, Shift 2 · Q44Two bodies of masses $m_1$ = 5 kg and $m_2$ = 3 kg are connected by a light string going over a smooth light pulley on a smooth inclined…EasyDiagram basedHas a figure

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.