Back

20. The specific heats at constant pressure is greater than that of the same gas at constant volume because

(a)  At constant pressure work is done in expanding the gas

(b)  At constant volume work is done in expanding  the gas

(c)   The molecular attraction increases more at constant pressure

(d)  The molecular vibration increases more at constant pressure

Answer-a

(3)

Rate this post

Related Posts:

Powered by Contextual Related Posts

Shilpa

You may also like

12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is
05/09/2022

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (118)

11. The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from A → B → C is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
05/09/2022

(a)      34 J (b)  70 J (c)   84 J (d)  134 J Answer-d (202)

error: Content is protected !!