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Radiation

Which of the ...

Question

Which of the following is true regarding radiation?

A

Thermal blankets reflect the body heat back, thereby trapping it inside

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B

Thermal blankets absorb heat from cold surroundings

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C

Thermal blankets don't work

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D

None of the above

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Solution

The correct option is C
Thermal blankets don't work

Radiation can travel irrespective of the presence or absence of medium. Heat transfer takes place through electromagnetic waves.

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