Question

Solution

Correct option is If P0 is the atmospheric pressure, the pressure outside the air bubble when it is at a depth . Therefore the total pressure inside the air bubble is  .

SIMILAR QUESTIONS

Q1

A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored, the stone sinks in water with an acceleration of

Q2

Two identical cylindrical vessels, each of base area A, have their bases at the same horizontal level. They contain a liquid of density . In one vessel the height of the liquid is h1 and in the other h2 > h1. When the two vessels are connected, the work done by gravity in equalizing the levels is

Q3

A cylindrical jar has radius r. To what height h should it be filled with a liquid so that the force exerted by the liquid on the sides of the jar equals the force exerted on the bottom?

Q4

A rectangular tank is filled to the brim with water. When a hole at its bottom is unplugged, the tank is emptied in time T. If the tank is half-filled with water, it will be emptied in time

Q5

Two capillary tubes A and B of radii ra and rb and lengths la and lbrespectively are held horizontally. The volume of water flowing per second through tube A is Qa when the pressure difference across its ends is maintained at P. When the same pressure difference is maintained across tube B, the volume of water flowing per second through it is Qb. The ratio is

Q6 . If a pressure difference P is maintained across tube A, the rate of flow of water in it is Q. If the tubes are connected in series and the same pressure difference P is maintained across the combination, the rate of flow through the combination will be

Q7

If the surface tension of soap solution is , What is the work done in blowing soap bubble of radius r?

Q8

The work done to break up a drop of a liquid of radius R and surface tension into eight drops, all of the same size, is

Q9

A soap bubble of radius r is blown up to form a bubble of radius 2r under isothermal conditions. If is the surface tension of soap solution, the energy spent in doing so is

Q10

A small drop of water of surface tension is squeezed between two clean glass plates so that a thin layer of thickness d and area A is formed between them. If the angle of contact is zero, the force required to pull the plates apart is