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A constant volume gas thermopmeter show...

A constant volume gas thermopmeter shows pressure reading of `50cm` and `90cm` of mercury at `0^(@)C` and `100^(@)C` respectively. When the pressure reading is `60cm` of mercury, the temperature is

A

25°C

B

40°C

C

15°C

D

12.5°C

Text Solution

Verified by Experts

The correct Answer is:
A
`t = ((P_t - P_0)/(P_100 - P_0)) xx 100^(@) C = ((60-50)/(90-50)) xx 100 = 25^@ C`.
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