1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The work done by a Carnot engine operating between 300 K and 400 K is 400 J. The energy exhausted by the engine is

A
800 J
B
1200 J
C
400 J
D
1600 J
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The slopes of the isothermal and adiabatic $$p-V$$ graphs of a gas are by $$S_I$$ and $$S_A$$ respectively. If the heat capacity ratio of the gas is $$\frac{3}{2}$$, then $$\frac{S_I}{S_A}=$$

A
$$\frac{3}{2}$$
B
$$\frac{2}{3}$$
C
$$\frac{1}{2}$$
D
$$\frac{1}{3}$$
3
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of rotational degrees of freedom of a diatomic molecule

A
0
B
1
C
2
D
3
4
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two cars are moving towards each other at the speed of $$50 \mathrm{~ms}^{-1}$$. If one of the cars blows a horn at a frequency of 250 Hz , the wave length of the sound perceived by the driver of the other car is

(Speed of sound in air $$=350 \mathrm{~ms}^{-1}$$)

A
18.7 cm
B
105 cm
C
75 cm
D
10.5 cm
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