1.

Estimate the average thermal energy of a helium atom at (i) room temperature (27 ^(@)C). (ii) the temperature on the surface of the Sun (6000 K), (iii) the temperature of 10 million kelvin (the typical core temperature in the case of a star).

Answer»

`1.7 xx 10^(-16)J`
`2.1 xx 10^(-16)J`
`4.3 xx 10^(-16)J`
`3.8 xx 10^(-16)J`

ANSWER :B


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