What will be the relative population of atoms in a ruby layer that pr – McqOptions

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1.	What will be the relative population of atoms in a ruby layer that produces a light beam of wavelength 6943 Å at 300 K.
A.	5 X 10-31
B.	6 X 10-31
C.	7 X 10-31
D.	8 X 10-31
Answer» E.

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