1
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Heat engine operating between temperature $T_1$ and $T_2$ has efficiency $\frac{1}{6}$. When $T_2$ is lowered by 62 K , its efficiency increases to $\frac{1}{3}$. Then $T_1$ and $T_2$ respectively are

A
$372 \mathrm{~K}, 310 \mathrm{~K}$
B
$372 \mathrm{~K}, 330 \mathrm{~K}$
C
$330 \mathrm{~K}, 268 \mathrm{~K}$
D
$310 \mathrm{~K}, 248 \mathrm{~K}$
2
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The absolute temperature of a gas is determined by

A
the average momentum of the molecule.
B
the velocity of sound in the gas.
C
the number of molecules in the gas.
D
the mean square velocity of the molecules.
3
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When a system is taken from state ' $a$ ' to state ' $c$ ' along a path abc, it is found that $\mathrm{Q}=80 \mathrm{cal}$ and $\mathrm{W}=35 \mathrm{cal}$. Along path adc $\mathrm{Q}=65 \mathrm{cal}$ the work done W along path adc is

MHT CET 2024 15th May Morning Shift Physics - Heat and Thermodynamics Question 12 English

A
20 cal.
B
35 cal.
C
45 cal.
D
65 cal.
4
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The ratio of work done by an ideal rigid diatomic gas to the heat supplied by the gas in an isobaric process is

A
$\frac{3}{7}$
B
$\frac{2}{7}$
C
$\frac{4}{7}$
D
$\frac{5}{7}$
MHT CET 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