1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two monatomic ideal gases A and B of molecular masses '$$m_1$$' and '$$m_2$$' respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas A to that in gas B is given by

A
$$\sqrt{\frac{\mathrm{m}_2}{\mathrm{~m}_1}}$$
B
$$\frac{\mathrm{m}_1}{\mathrm{~m}_2}$$
C
$$\sqrt{\frac{\mathrm{m}_1}{\mathrm{~m}_2}}$$
D
$$\frac{\mathrm{m}_2}{\mathrm{~m}_1}$$
2
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The thermodynamic process in which no work is done on or by the gas is

A
isochoric process
B
adiabatic process
C
isothermal process
D
isobaric process
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Heat given to a body, which raises its temperature by 1ºC is known as

A
specific heat
B
thermal capacity
C
water equivalent
D
temperature gradient
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following is NOT a correct expression for an ideal gas?

[$$\mathrm{C_p}=$$ Molar specific heat of a gas at constant pressure,

$$\mathrm{C_v}=$$ Molar specific heat of a gas at constant volume,

$$\mathrm{Y}=$$ Ratio of two specific heats of a gas,

$$\mathrm{R}=$$ Universal gas constant]

A
$$C_v=C_p+R$$
B
$$R=C_v(\gamma-1)$$
C
$$\frac{C_v}{\mathrm{C}_{\mathrm{p}}}=\frac{1}{\gamma}$$
D
$$R=\frac{C_{\mathrm{p}}(\gamma-1)}{\gamma}$$
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