JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 8 April 2023, Shift 1, Physics Q52

Question 52 of 90 in this shift, Physics question 22 of 30, Section B.

An air bubble of diameter

6\ \mathrm{mm}

rises steadily through a solution of density

1750\ \mathrm{kg/m^3}

at the rate of

0.35\ \mathrm{cm/s}

. The co-efficient of viscosity of the solution (neglect density of air) is ________ Pas (given,

g = 10\ \mathrm{ms^{-2}}

Official answer

NTA final key.

Chapter: Mechanical Properties of Fluids
Topic: Viscosity
Idea tested: Terminal Velocity of Rising Bubbles

Same idea in other shifts

Asked 4× in all

2 Apr 2026, Shift 2 · Q35If an air bubble of diameter 2 mm rises steadily through a liquid of density 2000 kg/m $^3$ at a rate of 0.5 cm/s, then the coefficient of…MediumSingle correct
28 Jul 2022, Shift 1 · Q58The diameter of an air bubble which was initially 2 mm, rises steadily through a solution of density 1750 kg m $^{-3}$ at the rate of 0.35…MediumNumerical value
30 Jun 2022, Shift 1 · Q35An air bubble of negligible weight having radius r rises steadily through a solution of density σ at speed $v$ . The coefficient of…MediumSingle correct

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.