Physics · Mechanical Properties of Fluids
A small sphere of radius 'r' falls from rest in a viscous liquid. As a result, heat is produced due to viscous force. The rate of production of heat, when the sphere attains its terminal velocity, is proportion al to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1r5✓
- 2r4
- 3r2
- 4r3
Correct answer
r5
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