If the coefficient of friction is (1)/(sqrt(3)) , the height up to which a particle can rise and stay inside a hollow sphere of radius r is ( inner surface of the sphere is rough )

If the coefficient of friction is (1)/(sqrt(3)) , the height up to whi

1.	If the coefficient of friction is (1)/(sqrt(3)) , the height up to which a particle can rise and stay inside a hollow sphere of radius r is ( inner surface of the sphere is rough )
Answer» 0.5 R 0.75 r 0.95 r 0.134 r Answer :D