In a good thermos flask, heat loss is reduced through the...
In a good thermos flask, heat loss is reduced through the following features EXCEPT?
the lens surface
the insulating cork
silvered walls
the cork lid
Correct answer is A
The silver coating on the inner bottle of a thermos flask is used to prevent heat transfer by radiation
The eclipse of the moon occurs when? ...
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The acceleration of a moving object can be determined from the? ...