1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Heat energy absorbed by a system going through the cyclic process shown in the figure is

AP EAPCET 2024 - 21th May Morning Shift Physics - Heat and Thermodynamics Question 1 English
A
$10^7 \pi J$
B
$10^4 \pi \mathrm{~J}$
C
$10^2 \pi \mathrm{~J}$
D
$10^{-3} \pi \mathrm{~J}$
2
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A polyatomic gas with $n$ degrees of freedom has a mean kinetic energy per molecule given by (if $N$ is Avogadro's number )
A
$\frac{n k_B T}{N}$
B
$\frac{n k_B T}{2 N}$
C
$\frac{n k_B T}{2}$
D
$\frac{3 k_B T}{N}$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The absorption coefficient value of a perfect black body is
A
zero
B
$<1$
C
$>1$
D
1
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A certain volume of a gas at 300 K expands adiabatically until its volume is doubled. The resultant fall in temperature of the gas is nearly (The ratio of the specific heats of the gas $=1.5$ )
A
88 K
B
77 K
C
67 K
D
54 K
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