Pick the incorrect statement regarding a thermal insulator.

Keeps cold things cold

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Makes hot things cold

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Keeps warm things warm

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Keeps hot things hot

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Solution

The correct option is B Makes hot things cold
Since thermal insulator cannot transfer heat, hence whatever is kept inside the thermal insulator its temperature does not change as there is no heat transfer.

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Similar questions

True or false?

(a) Glass is a bad conductor of heat.

(b) In a thermos flask, hot things remain hot and cold things become warm.

(d) During radiation the particles of the medium vibrate.

Which one of these things can a thermal insulator NOT do?

Question 8
Who am I?

(a) I’m found in a thermometer, I measure your temperature.

(b) I make things hot or cold.

(c) I have no shape whatsoever

(d) I dissolve in water, but not in kerosene.

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