1
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
When 403 of heat is absorbed by a monoatomic gas the increase in the internal energy of the gas is
A
12 J
B
16 J
C
24 J
D
$32 . \mathrm{J}$
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a Carnot engine, the absolute temperature of the source is $25 \%$ more than the absolute temperature of the sink. The efficiency of the engine is
A
$10 \%$
B
$50 \%$
C
$25 \%$
D
205
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The molar specific heat capacity of a diatomic gas at constant pressure is $C$. The molar specific heat capadtr of a monoatomic gas at constant volume is
A
$\frac{2 C}{7}$
B
$\frac{3 C}{7}$
C
$\frac{C}{7}$
D
$\frac{4 C}{7}$
4
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

5 g of ice at $$-30^{\circ} \mathrm{C}$$ and 20 g of water at $$35^{\circ} \mathrm{C}$$ are mixed together in a calorimeter. The final temperature of the mixture is (Neglect heat capacity of the calorimeter, specific heat capacity of ice $$=0.5 \mathrm{cal} \mathrm{g}^{-1}{ }^{\circ} \mathrm{C}^{-1}$$ and latent heat of fusion of ice $$=80 \mathrm{cal} \mathrm{g}^{-1}$$ and specific heat. capacity of water $$=1 \mathrm{cal} \mathrm{g}^{-1}{ }^{\circ} \mathrm{C}^{-1}$$)

A
$$0^{\circ} \mathrm{C}$$
B
$$4^{\circ} \mathrm{C}$$
C
$$5^{\circ} \mathrm{C}$$
D
$$9^{\circ} \mathrm{C}$$
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