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HomePhysics42. Energy of all molecules of a monoatomic gas having a volume V and pressure P is (3/2)PV . The total translational kinetic energy of all molecules of a diatomic gas as the same volume and pressure is

42. Energy of all molecules of a monoatomic gas having a volume V and pressure P is (3/2)PV . The total translational kinetic energy of all molecules of a diatomic gas as the same volume and pressure is

(a) (1/2)PV                                   (b) (3/2)PV

(c) (5/2)PV                                    (d) 3PV

Answer-b

(9)

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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

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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