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Working of a Thermos flask

A device in w...

Question

A device in which heat loss is minimalized due to three modes of heat transfer is

A

Thermometer

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B

Heater

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C

Cooker

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D

Thermos flask

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Solution

The correct option is D Thermos flask
Thermos flask keep things at steady temperatures by cutting off all chances of heat transfer.

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Working of a Thermos flask

Standard VII Physics

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