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 35 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
COMEDK Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12