TG EAPCET 2025 (Online) 2nd May Morning Shift | Heat and Thermodynamics Question 24 | Physics

Two moles of a gas at a temperature of $327^{\circ} \mathrm{C}$ expands adiabatically such that its volume increases by $700 \%$. If the ratio of the specific heat capacities of the gas is $\frac{4}{3}$, then the work done by the gas is (Universal gas constant $=8.3 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$ )

14.94 kJ

29.88 kJ

44.82 kJ

59.76 kJ

TG EAPCET 2025 (Online) 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

The molar specific heat of a monoatomic gas at constant pressure is

(Universal gas constant $=8.3 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$ )

$24.9 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$

$20.75 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$

$41.5 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$

$16.6 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$

TG EAPCET 2024 (Online) 11th May Morning Shift

MCQ (Single Correct Answer)

-0

A pendulum clock loses 10.8 s a day when the temperature is $38^{\circ} \mathrm{C}$ and gains 108 s a day when the temperature is $18^{\circ} \mathrm{C}$. The coefficient of linear expansion of the metal of the pendulum clock is

$7 \times 10^{-5}{ }^{\circ} \mathrm{C}^{-1}$

$1.25 \times 10^{-5}{ }^{\circ} \mathrm{C}^{-1}$

$5 \times 10^{-5}{ }^{\circ} \mathrm{C}^{-1}$

$2.5 \times 10^{-5}{ }^{\circ} \mathrm{C}^{-1}$

TG EAPCET 2024 (Online) 11th May Morning Shift

MCQ (Single Correct Answer)

-0

A liquid cools from a temperature of 368 K to 358 K in 22 min . In the same room, the same liquid takes 12.5 min to cool from 358 K to 353 K . The room temperature is

$27.5^{\circ} \mathrm{C}$

27.5 K

$30.5^{\circ} \mathrm{C}$

30.5 K

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