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1.8 gm of H-atom sample is excited by ra...

`1.8` gm of H-atom sample is excited by radiations. The study of spectra indicates that `27%` of the atoms are in 3rd energy level, `15%` of atoms in 2nd energy level and test in ground state

A

Number of atoms in 2nd energy level is `1.626 xx 10^(23)` atoms

B

Number of atoms in 3rd energy level is `2.9268 xx 10^(23)` atoms

C

Number of atoms in Ground state is `6.2872 xx 10^(23)` atoms

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
D
No. of atoms `= n xx N_0 xx (%)/(100)`
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