IIT-JEE Exam

A gas bubble from an explosion under water,
oscillates with a period T proportional to
padbEc where p is the static pressure, d is
the density of water and E is the total energy
of explosion. Find the values of a,b, and c.

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IIT-JEE Other Question

When a small sphere moves at low speed
through a fluid, the viscous force F opposing
the motion, is found experimentaly to depend
on the radius ‘r’, the velocity v of the sphere
and the viscosity η of the fluid. Find the force
F (Stoke’s law) If there is a physical quantity whose
dimensional formula is [ML2T–2]. Determine
the physical quantity