JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Application +4 | -1

The pressure of air in the bulb of a constant volume gas thermometer at

0^{\circ} \mathrm{C}

and

100^{\circ} \mathrm{C}

are

73.00 \mathrm{~cm}

and

100 \mathrm{~cm}

of mercury respectively. Calculate the pressure at the room temperature

20^{\circ} \mathrm{C}

View answer and explanation

Correct option: C

78.4 cm

Option C (78.4 cm) is correct because it is the pressure calculated using the constant volume gas thermometer principle.

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