JEE Main 2020 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 3 September 2020, Shift 1, Physics Q6

Question 6 of 75 in this shift, Physics question 6 of 25.

Pressure inside two soap bubbles are 1.01 and 1.02 atmosphere, respectively. The ratio of their volumes is :

(1)0.8 : 1
(2)2 : 1
(3)4 : 1
(4)8 : 1Official answer

Official answer

Option 4

NTA final key (Sep 2020).

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

Same idea in other shifts

Asked 6× in all

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
6 Apr 2024, Shift 2 · Q38Pressure inside a soap bubble is greater than the pressure outside by an amount : (given : $R$ = Radius of bubble, $S$ = Surface tension…EasySingle correct
8 Apr 2024, Shift 1 · Q53A liquid column of height 0.04 cm balances excess pressure of a soap bubble of certain radius. If density of liquid is…MediumNumerical value
9 Apr 2024, Shift 2 · Q39The excess pressure inside a soap bubble is thrice the excess pressure inside a second soap bubble. The ratio between the volume of the…EasySingle correct
27 Jul 2022, Shift 2 · Q58A spherical soap bubble of radius 3 cm is formed inside another spherical soap bubble of radius 6 cm. If the internal pressure of the…MediumNumerical 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.