If at the same temperature and pressure, the densities of two diatomic gases are `d_(1)` and `d_(2)` respectively. The ratio of mean kinetic energy permolecule of gasses will be
A
`1:1`
B
`d_(1):d_(2)`
C
`sqrt(d_(1)):sqrt(d_(2))`
D
`sqrt(d_(2)):sqrt(d_(1))`
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A
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