1.

The ratio of most probable velocity to that of average velocity is               [JEE Orissa 2004]

A.                 \[\pi /2\]             
B.                 \[2/\pi \]
C.                 \[\sqrt{\pi }/2\]               
D.                 \[2/\sqrt{\pi }\]
Answer» D.                 \[2/\sqrt{\pi }\]


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