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). (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). Estimate the average thermal energy of a helium atom at (i) room temperature (27 °C) September 13, 2021 Category: Chapter 12 - Kinetic Theory of Gases , NCERT Exemplar Class 11 , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related