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Questions  

The pressure of hydrogen gas in a constant volume gas thermometer is  80cm at  00C, 110 cm at 1000C and 95cm at unknown temperature ‘t’  then ‘t’ is equal to

a
500C
b
750C
c
950C
d
1500C

detailed solution

Correct option is A

in a constant volume thermometer, Pt=95 is pressure at t0C; Po=80 is pressure at 00C;  P100 =110 is pressure at 1000C  t=Pt−PoP100−P0×100 substitute the given values in above equation t=95−80110−80×100 t=1530×100 t=500C

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Select the correct expression  for  temperature  measured  by constant volume gas thermometer.


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