Phonon heat capacity: Debye Model

[@sonasunil1093]

Good vedio

[@dheeshnaram3970]

Sir good morning...
U taught well.. it's very useful for us .. Thank you so much sir
Can you clear my doubt after the video time 8.41 ... that is after finding theta ... how we can write thermal energy u ?

[@muhamedshafiollakkan4205]

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