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38. In the two vessels of same volume, atomic hydrogen and helium at pressure 1 atm and 2 atm are filled. If temperature of both the samples is same, then average speed of hydrogen atoms

< CH > will be related to that of helium < CHe > as

(a) < CH >=√2 < CHe >                      (b) < CH >= < CHe >

(c) < CH >=2 < CHe >                        (d) < CH >=< CHe > /2

Answer-c

 

(5)

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