Name the invisible spectra ,how can their presence be detected?
Asked by ashwati | 10th Apr, 2009, 01:00: PM
The electromagnetic spectrum consists of visible and invisible spectrum. The invisible spectrum consists of many types of rays
Radio waves to name a few .
They can be detected through various techniques.There are special camera for the purpose.But the mechanism is vey complex.
Answered by | 10th Apr, 2009, 02:17: PM
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