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Friday, 9 October

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. (1)99Official answer
  2. (2)19\frac{1}{9}
  3. (3)8181
  4. (4)181\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

Same idea in other shifts

Asked 2× in all
  1. 31 Jan 2024, Shift 2 · Q53Two blocks of mass 2 kg and 4 kg are connected by a metal wire going over a smooth pulley as shown in figure. The radius of wire is…MediumNumerical valueHas a figure

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