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Two identical glass spheres filled with ...

Two identical glass spheres filled with air are connected by a thin horizontal glass tube the glass tube contains a pellet of mercury at its mid-point Air in one sphere is at `0^(@)C` and the other is at `20^(@)C` if temperature of both the vessels are increased by `10^(@)C` then neglecting the expansions of the bulbs and the tube

A

the mercury pellet gets displaced towards the sphere at lower temperature

B

the mercury pellet gets displaced towards the sphere at higher temperature

C

the mercury pellet does not get displaced at all

D

the temperature rise causes the pellet to expand without any displacement

Text Solution

Verified by Experts

The correct Answer is:
B
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