Home
Class 11
PHYSICS
A sphere of coefficient of linear expans...

A sphere of coefficient of linear expansion `alpha`, mass 'm' and radius 'r' is is spinning about an axis through its diameter with an angular velocity `'omega'` when it is heated such that its temperature increases by `Deltat`, the angular velocity becomes

A

`omega ( 1+ Delta t)^(2)`

B

`( omega)/( ( 1+ 2 alpha Delta t))`

C

`omega ( 1+ alpha Delta t)`

D

`omega alpha Delta t`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A ring of radius 'r' and mass per unit length 'm' rotates with an angular velocity omega in free space then:

A thin circular ring of mass 'm' and radius R is rotating about its axis with a constant angular velocity omega . Tho objects each of mass M are attached gently to he opposite ends of a diameter of the ring. The new angular velocity of ring is

A circular disc is rotating about its own axis at an angular velocity omega . If P is exact midpoint of dise between axis and rim of disc then angular velocity of Pis

A uniform metal rod of length L and mass M is rotating about an axis passing through one of the ends and perpendicular to the rod with angular speed omega. If th temperature increases by t^(@)C , then the change in its angular velocity is proportional to which of the following? (Coefficient of linear expansion of rod = a)

A uniform solid sphere of diameter 0.2m and mass 10kg is rotated about its diameter with an angular velocity of 2rads^(-1) . Then its angular momentum is kgm^(2)s^(-1) is