JEE Main 2026 — Mechanical Properties of Fluids Question with Solution
JEE Main 2026 (23 January Shift 2)
Question
A small metallic sphere of diameter 2 mm and density is dropped in glycerine having viscosity 10 Poise and density respectively. The terminal velocity attained by the sphere is .
( and )
Choose an option
Show full solutionCorrect option: C
Correct answer
C2.0
Step-by-step explanation
Using Stokes' Law for terminal velocity:
.
Given: r = 0.1 cm, g = 1000 cm/s², g/cm³, g/cm³, η = 10 Poise = 10 g/(cm⋅s).
Substituting:
cm/s.
.
Given: r = 0.1 cm, g = 1000 cm/s², g/cm³, g/cm³, η = 10 Poise = 10 g/(cm⋅s).
Substituting:
cm/s.
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