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Question: The ratio of translational KE per molecule of He and H<sub>2</sub> at same temperature is –...

The ratio of translational KE per molecule of He and H2 at same temperature is –

A

1 : 1

B

1 : 2

C

1 : 4

D

2 : 1

Answer

1 : 1

Explanation

Solution

KEH2KEHe\frac{KE_{H_{2}}}{KE_{He}} = 32KT32KT\frac{\frac{3}{2}KT}{\frac{3}{2}KT} = 11\frac{1}{1}