Thermodynamics

Wikipedia se

Thermodynamics, Bhautic vigyan (Physics) ke ek hissa hae, jisme garmi kon rakam se ek chij me se duusra chij me jaae hae, ke study karaa jaae hae.

"https://hif.wikipedia.org/w/index.php?title=Thermodynamics&oldid=254520" se lawa gais hae