JEE Main 2026 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 4 April 2026, Shift 1, Physics Q27

Question 27 of 75 in this shift, Physics question 2 of 25, Section A.

The increase in the pressure required to decrease the volume (

\Delta V

) of water is

6.3\times10^{7}\ \mathrm{N/m^2}

. The percentage decrease in the volume is ______. (Bulk modulus of water

=2.1\times10^{9}\ \mathrm{N/m^2}

(1) $2\ \%$
(2) $3\ \%$ Official answer
(3) $6\ \%$
(4) $4\ \%$

Official answer

Option 2

NTA final key.

Chapter: Mechanical Properties of Solids
Topic: Elasticity
Idea tested: Elastic Moduli

Same idea in other shifts

Asked 13× 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 42 of the 174 JEE Main shifts held from 2017 to 2026.