The temperature of a gas is –78° C and the average translational kinetic energy of its molecules is K. The temperature at which the average translational kinetic energy of the molecules of the same gas becomes 2K is :

(1) –39°C 

(2) 117°C

(3) 127°C

(4) –78°C

                                                       JEE-2024        

Solution:                
The temperature of a gas is –78° C and the average translational kinetic energy of its molecules is K. The temperature at which the average translational kinetic energy of the molecules of the same gas becomes 2K is : (1) –39°C (2) 117°C (3) 127°C (4) –78°C JEE-2024

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