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The volume of a gas at 20^(@)C is 100 cm...

The volume of a gas at `20^(@)C` is 100 cm at normal pressure. If it is heated to `100^(@)C` , its volume becomes 125 cm at the same pressure, then volume coefficient of the gas at normal pressure is

A

`0.0015//""^@C`

B

`0.0045//""^(@)C`

C

`0.0025//""^@ C`

D

`0.0033//""^@C`

Text Solution

Verified by Experts

The correct Answer is:
D
`(V_1)/(V_2) = (1 + gamma Delta t_1)/(1 + gamma Delta t_2) = (100)/(125) = (1 + gamma xx 20)/(1 + gamma xx 100)`
`rArr gamma = 0.0033//""^(@)C`.
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