The radiation 'P' is founded by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. Name the radiation P.

Infrared radiation

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Visible light

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Ultraviolet radiation

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X rays

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Solution

The correct option is A
Infrared radiation

Mercury shows a rapid increase as there is an increase in temperature and hence radiation is producing the heating effect.

Hence we can name the radiation P as Infrared radiation(IR).

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Similar questions

A radiation P is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation P is :

(a) infrared radiation

(b) visible light

(d) X -rays.

A

A

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