1
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two rods of same length \& material transfer a given amount of heat in 12 s when they are joined end to end. But when they are joined length wise parallel to each other they will transfer same amount of heat in same condition in time

A
24 s
B
3 s
C
1.5 s
D
48 s
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An insulated container contains a monoatomic gas of molar mass ' $m$ '. The container is moving with velocity ' $V$ '. If it is stopped suddenly, the change in temperature is ( $R=$ gas constant)

A
$\frac{\mathrm{mV}^2}{5 \mathrm{R}}$
B
$\frac{\mathrm{mV}^2}{3 \mathrm{R}}$
C
$\frac{\mathrm{mV}^2}{7 \mathrm{R}}$
D
$\frac{m V^2}{9 R}$
3
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In an isobaric process of an ideal gas, the ratio of work done by the system to the heat supplied $\left(\frac{W}{Q}\right)$ is

A
$\frac{1}{\gamma-1}$
B
$\gamma$
C
$\frac{\gamma}{\gamma-1}$
D
$\frac{\gamma-1}{\gamma}$
4
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A sphere is at temperature 600 K . In an external environment of 200 K , its cooling rate is ' $R$ ' When the temperature of the sphere falls to 400 K , then cooling rate ' $R$ ' will become

A
$\frac{3}{16} \mathrm{R}$
B
$\frac{9}{16} R$
C
$\frac{16}{9} R$
D
$\frac{16}{3} R$
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