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P.S.S.C.E. 20025. Write any four characteristics of electromagnetic wavesGive two uses of (1) radiowaves and (ii) microwaves

Answer»

Objects in space, such as planets and comets, giant clouds of gas and dust, and stars and galaxies, emit light at many different wavelengths. ... Becauseradio wavesare larger than opticalwaves,radiotelescopes work differently than telescopes thatwe usefor visible > light (optical telescopes).



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