Infrared radiations are detected by:

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(B) Infrared radiations are electromagnetic waves with wavelengths longer than those of visible light. They are commonly detected using a pyrometer,wh

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Pyrometer

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(B) Infrared radiations are electromagnetic waves with wavelengths longer than those of visible light. They are commonly detected using a pyrometer,which is an instrument designed for measuring high temperatures by detecting the infrared radiation emitted by an object. Other detectors include bolometers and thermopiles,but among the given options,a pyrometer is the correct device for detecting infrared radiation.

List-$I$	List-$II$
$A$. $UV$ rays	$(i)$ Diagnostic tool in medicine
$B$. $X-$rays	$(ii)$ Water purification
$C$. Microwave	$(iii)$ Communication,Radar
$D$. Infrared wave	$(iv)$ Improving visibility in foggy days

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List-$I$ List-$II$
$A$. $UV$ rays $(i)$ Diagnostic tool in medicine
$B$. $X-$rays $(ii)$ Water purification
$C$. Microwave $(iii)$ Communication,Radar
$D$. Infrared wave $(iv)$ Improving visibility in foggy days
Choose the correct answer from the options given below.

Which of the following has the minimum wavelength?

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