Home
Class 11
PHYSICS
A sperical ball of radius r and relative...

A sperical ball of radius r and relative density 0.5 is floating in equilibrium in water with half of it immersed in water. The work done in water. The work done in pushing the ball down so that whole of it is just immersed in water is [`rho` is the density of water]-

A

`(5)/(12) pi r^(4) rho g`

B

`0.5 rho g`

C

`(4)/(2) pi rhog`

D

`(2)/(3) pi r^(4) rhog`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A sperical ball of radius r and relative density 0.5 is floating in equilibrium in water with half of it immersed in water. The work done in pushing the ball down so that whole of it is just immersed in water is [ rho is the density of water]-

A rubber ball floats on water with its 1/3 rd volume outside water. What is the density of rubber?

A rubber ball floats on water with its 1//3^(rd) volume outside water. What is the density of rubber?

A block of wood weighs 12 kg and has a relative density 0.6. It is to be in water with 0.9 of its volume immersed. What weight of a metal is needed if the metal is on the top of wood ? [Relative density of metal = 14]

Water stands upto a height h behind the vertical wall of a dam what is the net horizontal force pushing the dam down by the stream if width of the dam is sigma ? (rho= density of water)

A cubical block of density rho is floating on the surface of water. Out of its height L, fraction x is submerged in water. The vessel is in an elevator accelerating upward with acceleration a. What is the fraction immersed ?

Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm , when it is completely immersed in water.

Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm , when it is completely immersed in water.

The matallic bob of a simple pendulum has the relative density rho . The time period of this pendulum is T it the metallic bob is immersed in water the new time period is given by

The matallic bob of a simple pendulum has the relative density rho . The time period of this pendulum is T it the metallic bob is immersed in water the new time period is given by