Questions
A) A hot hollow sphere in vacuum cools by convection
B) A hot solid sphere in vacuum cools by radiation
a
A is false, B is true
b
A is true, B is false
c
Both A & B are true
d
Both A & B are false
detailed solution
Correct option is A
In vacuum heat flow is only by radiationTalk to our academic expert!
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Newton's law of cooling is used in the laboratory for determining:
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