Thermal Properties of Matter - Result Question 39
40. The presence of gravitational field is required for the heat transfer by
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(a) conduction
(b) stirring of liquids
(c) natural convection
(d) radiation
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Answer:
Correct Answer: 40. (c)
Solution:
- (c) Natural convection In convection, the temperature gradient exists in the vertical direction and not in the horizontal direction. So, up and down movement of particles takes place which depends on the weight or gravity.
