JEE Main 2024 · PhysicsNumerical answerNumerical valueHardMulti-step

JEE Main 31 January 2024, Shift 1, Physics Q51

Question 51 of 90 in this shift, Physics question 21 of 30, Section B.

A body starts falling freely from height

H

hits an inclined plane in its path at height

h

. As a result of this perfectly elastic impact, the direction of the velocity of the body becomes horizontal. The value of

\frac{H}{h}

for which the body will take the maximum time to reach the ground is ________.

Official answer

NTA final key.

Chapter: Motion in a Plane
Topic: Kinematics in 2D
Idea tested: Horizontal Strike on an Incline

Same topic in other shifts

All Kinematics in 2D questions

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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.