1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following is not a green house gas?

A
CH$$_4$$
B
CO$$_2$$
C
O$$_3$$
D
H$$_2$$O
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The collision of the molecules of an ideal gas is taken as

A
elastic
B
inelastic
C
partially elastic
D
partially inelastic
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The average energy associated with a monoatomic molecule is

A
$${K_B}T$$
B
$${1 \over 2}{K_B}T$$
C
$${3 \over 2}{K_B}T$$
D
$$2{K_B}T$$
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Carnot cycle of an engine is given below

COMEDK 2021 Physics - Heat and Thermodynamics Question 27 English

Total work done by the gas in one cycle is

A
$$\mu R{T_2}\log {{{V_2}} \over {{V_1}}} - \mu R{T_1}\log {{{V_3}} \over {{V_4}}}$$
B
$$\mu R{T_1}\log {{{V_2}} \over {{V_1}}} - \mu R{T_2}\log {{{V_3}} \over {{V_4}}}$$
C
$$\mu R{T_1}\log {{{V_2}} \over {{V_1}}} + \mu R{T_2}\log {{{V_3}} \over {{V_4}}}$$
D
Zero
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