what is thermos flask ? explain its construction.
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Construction and working of thermos flask: Explanation: It is constructed in such a way that heat loss due to conduction,convection and radiation is minimized. It is a double walled bottle of thin glass and the space between the walls is evacuated. ... The mouth of the bottle is closed by a cork or plastic stopper
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Answer:
Construction and working of thermos flask: Explanation: It is constructed in such a way that heat loss due to conduction,convection and radiation is minimized. It is a double walled bottle of thin glass and the space between the walls is evacuated. ... The mouth of the bottle is closed by a cork or plastic stopper.
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