Name the radiations of wavelength just (i) longer than 8 x 10^-7m, (ii) Shorter than 4 x 10^-7 m.
Name the radiations of wavelength just (i) longer than 8 x 10-7m, (ii) Shorter than 4 x 10-7 m.
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(i)Infrared radiations are longer than 8 x 10-7m.
(ii) ultraviolet radiations are shorter than 4 x 10-7 m.
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