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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_(1)-P_(0))/(P_(100)-P_(0))xx100=(60-50)/(90-50)xx100=25^(@)C`
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CP SINGH-TEMPERATURE AND THERMAL EXPANSION-EXERCISES
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  2. A temperature T is measured by a constant volume gas thermometer (i)...

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  3. A constant volume gas thermopmeter shows pressure reading of 50cm and...

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  7. On a thermometer, the freezing points of water is marked as 20^(@)C an...

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  8. A constant volume gas thermometer shows pressure reading of 50cm and 9...

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  9. The ratio among coefficient of volume expansion, superficial expansion...

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  10. An iron tyre is to be fitted onto a wooden wheel 1.0 m in diameter. Th...

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  11. Two rods of length l(1) and l(2) are made of material whose coefficien...

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  12. Two rods , one of aluminium and the other made of steel, having initia...

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  13. Three rods of equal of length are joined to from an equilateral triang...

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  14. A steel scale measures the length of a copper wire as 80.0 cm when bot...

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  15. A measuring tape amde of steel is calibrated at 5^(@)C . If the coeffi...

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  16. Two indentical recrangular strips. One of copper and the other of stee...

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  17. If a bimetallic strip is heated it will

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  18. A steel sheet at 20^(@)C has the same surface area as a brass sheet at...

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  19. If the pemperature of a uniform fod is slifhely increased by Deltat it...

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  20. If the temperature of a uniform rod is slightly increased by Deltat, i...

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