Home
Class 12
PHYSICS
A hollow sphere of external radius R and...

A hollow sphere of external radius R and thickness `t(ltltR)` is made of a metal of density `rho`. The sphere will float in water if

A

`t le (R )/(p)`

B

`t le (R )/(3_(p))`

C

`t le (R )/(2_(p))`

D

`t ge (R )/(3_(p))`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2015

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS (CATEGORY II)|4 Videos

  • QUESTION PAPER 2015

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS (CATEGORY III)|5 Videos

  • QUESTION PAPER 2014

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS (CATEGORY III)|3 Videos

  • QUESTION PAPER 2016

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS|40 Videos

Similar Questions

Explore conceptually related problems

A hollow sphere of external radius 5 cm and of same thickness is made by melting a solid sphere of radius 4cm , then what will be the thickness of the hollow sphere

The mass of a hollow iron-sphere of external radius 21cm is 22775(5)/(21) gms. If the weight of 1 cc iron be 10 gms , then what will be the thickness of the sphere ?

A charge Q is distributed over two concentric hollow spheres of radius r and R(gtr) such that the surface densities are equal. The potential at the common centre is

The volume of a solid sphere of radius 2r units is

A hollow metal sphere of radius 5 cm is charged such that potential on its surface is 10V. What is the potential at the center of the sphere?

There is a cavity of radius r present in a sphere made of concrete of radius R. The cavity is filled with sawdust. The sphere floats just immersed in water. The specific gravities of concrete and sawdust are 2.4 and 0.3 respectively. What is the ratio of the masses of concrete and sawdust?