Dhund is a 1973 Hindi movie produced and directed by B. R. Chopra. The film is based on Agatha Christie's play, The Unexpected Guest, and stars Sanjay Khan, his then flame Zeenat Aman, Danny Denzongpa, Deven Verma, Madan Puri, Navin Nischol and Ashok Kumar.
The heat equation is a parabolic partial differential equation that describes the distribution of heat (or variation in temperature) in a given region over time.
This article is about a mode of transfer of energy. For other uses, see Heat (disambiguation). In physics, heat is the amount of energy flowing from one body to another spontaneously due to their temperature difference, or by any means other than through work or the transfer of matter.