Write any three uses of infrared radiations.

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Solution

$I n f r a r e d$ $r a d i a t i o n$
Spectrum of infrared radiations extend from $700$ nanometers to $1$ millimeter.
most of thermal radiation emitted by objects near room temperature is infrared.
Uses
It is used in heat sensitive thermal imaging cameras
It is used to send signals through fibre optic cables
Most remote controls operate by sending pulses of infrared

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