#### If two gases of molecular weights M1 and M2 are at same pressure and temperature, ratio of their r.m.s. speed will be Option 1) Option 2) Option 3) Option 4)

As we learnt in

Root mean square velocity -

- wherein

R = Universal gas constant

M = molar mass

P = pressure due to gas

= density

Option 1)

Incorrect

Option 2)

Incorrect

Option 3)

Incorrect

Option 4)

correct