WBJEE 2021 Physics and Chemistry Solved Paper

CHEMISTRY

CATEGORY - I (Q41 to Q70)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 47 of 80

Marks: +1, -0

Molecular velocities of two gases at the same temperature (T) are u1 and u2. Their masses are m1 and m2 respectively. Which of the following expressions is correct at temperature T?

m1
u12
=
m2
u22
m1u1=m2u2
m1
u1
=
m2
u2
m1u12=m2u22

Validate

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