JEE Main 2017 · PhysicsMultiple choiceSingle correctMediumConceptual

JEE Main 2 April 2017 (offline), Physics Q1

Question 1 of 90 in this shift, Physics question 1 of 30.

A man grows into a giant such that his linear dimensions increase by a factor of 9. Assuming that his density remains same, the stress in the leg will change by a factor of :

(1) $9$ Official answer
(2) $\frac{1}{9}$
(3) $81$
(4) $\frac{1}{81}$

Official answer

Option 1

CBSE answer key (25/04/2017, used for result).

Chapter: Mechanical Properties of Solids
Topic: Elasticity
Idea tested: Stress and Strain Types

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Question text from the official JEE Main paper published by NTA (CBSE ran the 2017 exam); 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.