Spherical balls of radius R are falling in a viscous fluid of viscosity η with a velocity v. The retarding viscous force acting on the spherical ball is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
directly proportional to R but inversely proportional to v
b
directly proportional to radius R and velocity v
c
inversely proportional to both radius R andvelocity v
d
inversely proportional to radius r but directly proportional to velocity v
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
The retarding force on a ball falling into a viscous fluid is given byF=6πηRv where R= radius of the ball, v= velocity of ball , and η= coefficient of viscosity Therefore, F∝R and F∝V
Spherical balls of radius R are falling in a viscous fluid of viscosity η with a velocity v. The retarding viscous force acting on the spherical ball is