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Estimate the average thermal energy of a helium atom at the temperature of 10 million Kelvin (the typical core temperature in the case of a star).

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प्रश्न

Estimate the average thermal energy of a helium atom at the temperature of 10 million Kelvin (the typical core temperature in the case of a star).

संख्यात्मक
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उत्तर

At temperature, T = 107 K

Average thermal energy  `= 3/2` kT

`= 3/2 xx 1.38 xx 10^(-23) xx 10^7`

= 2.07 × 10–16 J

Hence, the average thermal energy of a helium atom at the core of a star is 2.07 × 10–16 J.

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