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The electromagnetic radiations are in descending order of wavelength in the following sequenceA. infra-red waves, radio waves X-rays, visible light raysB. radio-waves, infra-red waves, visible, X-raysC. radio waves, visible light, infra-red waves, X-raysD. X-rays, visible light, infra-red wave, radiowaves

Answer» Correct Answer - B


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