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In a Thermos flask, heat losses due to...

In a Thermos flask, heat losses due to

A

Conduction & Convection are minimised by creating vacuum between the two walls of the flask

B

Radiation is minimised by silver polishing both inner & outer surfaces

C

Both 1 & 2

D

None of the above

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The correct Answer is:
C
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  16. According to Newton's law of cooling, the rate of cooling of a body is...

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