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JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumApplication

JEE Main 31 January 2024, Shift 2, Physics Q37

Question 37 of 90 in this shift, Physics question 7 of 30, Section A.

A small spherical ball of radius

r

, falling through a viscous medium of negligible density has terminal velocity 'v'. Another ball of the same mass but of radius

2r

, falling through the same viscous medium will have terminal velocity:

(1) $\frac{v}{2}$ Official answer
(2) $\frac{v}{4}$
(3) $2v$
(4) $4v$

Official answer

Option 1

NTA final key.

Chapter: Mechanical Properties of Fluids
Topic: Viscosity
Idea tested: Radius Dependence of Terminal Velocity

Same idea in other shifts

Asked 2× in all

25 Jun 2022, Shift 1 · Q36The terminal velocity ( $v_t$ ) of the spherical rain drop depends on the radius (r) of the spherical rain drop as :EasySingle 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.