According to Newton's law of cooling, the heat energy...
According to Newton's law of cooling, the heat energy lost per unit area of a body depends on the
I. Surface area
II. Nature of the surface
III. Temperature of the surface
IV. Excess temperature over the surroundings
I and II only
II and IV only
I,II and III
I, II and IV
Correct answer is C
The rate of cooling of liduid according to Newton's law of cooling depends on:
- Temperature of the liquid
- Temperature of the enclosure
- The area of the exposed surface
- The nature and extent of the surface of the containing vessel
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At 4°c, the volume of a fixed mass of water is?...
Which of the following radiations has the shortest wavelength? ...