A bolometer is used to detect ...... . | vedclass

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(A) bolometer is a device used for measuring the power of incident electromagnetic radiation via the heating of a material with a temperature-dependen

Vedclass · Accepted Answer

Infrared rays

Vedclass · Answer

(A) bolometer is a device used for measuring the power of incident electromagnetic radiation via the heating of a material with a temperature-dependent electrical resistance. It is primarily used to detect infrared $(IR)$ radiation. When infrared radiation falls on the bolometer,it causes a change in temperature,which leads to a change in electrical resistance,allowing for the detection and measurement of the radiation.

List-$I$	List-$II$
$A.$ Radio-wave	$I.$ Produced by Magnetron valve
$B.$ Micro-wave	$II.$ Due to change in the vibrational modes of atoms
$C.$ Infrared-wave	$III.$ Due to inner shell electrons moving from higher energy level to lower energy level
$D.$ $X$-ray	$IV.$ Due to rapid acceleration of electrons

$A$ bolometer is used to detect ...... .

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