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## The spectrum of a distant star shows that one in 2 e6 of the atoms of a particular element is in its first excited state 7.5 eV above the gr

Question

The spectrum of a distant star shows that one in 2 e6 of the atoms of a particular element is in its first excited state 7.5 eV above the ground state. What is the temperature of the star? (You can ignore the other excited states and assume the ratio of statistical weights is 4

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Physics
6 months
2021-07-29T02:27:36+00:00
2021-07-29T02:27:36+00:00 1 Answers
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## Answers ( )

Answer:The temperature of star is 5473.87 KExplanation:Given:

Energy difference eV

The ratio of number of particle

Degeneracy ratio

From the formula of boltzmann distribution for population levels,

Where boltzmann constant =

K

Therefore, the temperature of star is 5473.87 K