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Q. Name the radiations which occur, beyond the visible red band of electromagnetic spectrum.
State one use of above radiation.
State one way of detecting above radiation.

Beyond the red end of the visible spectrum is infrared radiation
One of the most common uses of infrared radiation is in heat-sensitive thermal imaging cameras. Also TV remotes and other remotes use infrared raditaitons to electronic device
Infrared radiaitons can be detect using infra red detectors.

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