ICSE Class 10 Answered
Why are infra-red radiations used as signals during war?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Infra-red radiations are used as signals during war because of their longer wavelength as they are scattered less by atmosphere and intensity of scattered radiation 
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Answered by | 04 Jun, 2014, 03:23: PM
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