JEE Main 2022 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 30 June 2022, Shift 1, Physics Q54

Question 54 of 90 in this shift, Physics question 24 of 30, Section B.

The excess pressure inside a liquid drop is 500

\mathrm{Nm^{-2}}

. If the radius of the drop is 2 mm, the surface tension of liquid is

x\times10^{-3}\ \mathrm{Nm^{-1}}

. The value of

x

is __________.

Official answer

500

NTA final key.

Chapter: Mechanical Properties of Fluids
Topic: Surface Tension
Idea tested: Excess Pressure in Drops

Same topic in other shifts

All Surface Tension questions

2 Apr 2026, Shift 1 · Q45A liquid drop of diameter $2$ mm breaks into $512$ droplets. The change in surface energy is $\alpha\times10^{-6}$ J. The value of…EasySingle correct
2 Apr 2026, Shift 2 · Q33The surface tension of a soap bubble is 0.03 N/m. The work done in increasing the diameter of bubble from 2 cm to 6 cm is…EasySingle correct
4 Apr 2026, Shift 1 · Q47The surface tension of a soap solution is $3.5\times10^{-2}$ N/m. The work required to increase the radius of a soap bubble from $1$ cm to…MediumNumerical value
5 Apr 2026, Shift 2 · Q33Eight mercury drops, each of radius $r$ , coalesce to form a bigger drop. The surface energy released in this process is __________. (S is…EasySingle correct
2 Apr 2025, Shift 2 · Q31Two water drops each of radius $r$ coalesce to form a bigger drop. If $T$ is the surface tension, the surface energy released in this…EasySingle correct
3 Apr 2025, Shift 2 · Q47The excess pressure inside a soap bubble A in air is half the excess pressure inside another soap bubble B in air. If the volume of the…EasyNumerical value

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.