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NEET levelSingle correct optionDifficulty 1 of 3ig056

The temperature at which the volume of an ideal gas would theoretically become zero on extrapolating a Charles's law plot is

A $0^{\circ} C$
B $- 273.1 5^{\circ} C$
C $273.15 K$
D $- 10 0^{\circ} C$

Answer: B

Charles's law gives

V \propto T

in kelvin. Extrapolating

V

versus

t

(

^{\circ} C

) to

V = 0

gives

t = - 273.1 5^{\circ} C

, which is absolute zero,

0 K

.

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