The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
Options
(a) (1+n/3) (b) (1+2/n) (c) (1+n/2) (d) (1+1/n)
Correct Answer:
(1+2/n)
Explanation:
No explanation available. Be […]
One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure.
The change in internal energy of the gas during the transition […]
The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
Options
(a) r³ (b) r² (c) r (d) √r
Correct Answer:
r²
Explanation:
No explanation available. Be the first […]
RMS velocity of gas is proportional to
Options
(a) T² (b) √T (c) T (d) T³/²
Correct Answer:
√T
Explanation:
No explanation available. Be the first to write the explanation for this question […]
For an ideal gas of diatomic molecules
Options
(a) Cp = 5R / 2 (b) Cv = 3R / 2 (c) Cp – Cv = 2R (d) Cp = 7R / 2
Correct […]
Under constant pressure, graph between P and 1/V is a
Options
(a) parabola (b) hyperbola (c) straight line (d) circle
Correct Answer:
straight line
Explanation:
No explanation available. Be the first to write […]
If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
Options
(a) double (b) half the initial value (c) one fourth (d) four times
Correct Answer:
four times
Explanation: […]
The temperature of ideal gas is reduced from 927° C to 27° C. The r.m.s velocity of the molecules becomes
Options
(a) double the initial value (b) half the initial value (c) four […]
A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas at 27° C is V, then volume at 327° C is
Options
(a) V […]
When volume of a system is increased two times and temperature is decreased to half of its initial temperature, then pressure becomes
Options
(a) 2 times (b) 4 times (c) 1 / 4 […]
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