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Question
Estimate the average thermal energy of a helium atom at the temperature on the surface of the Sun (6000 K).
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Solution
On the surface of the sun, T = 6000 K
Average thermal energy = `3/2` kT
`= 3/2 xx 1.38 xx 10^(-38) xx 6000`
`= 1.241 xx 10^(-19)` J
Hence, the average thermal energy of a helium atom on the surface of the sun is 1.241 × 10–19 J.
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