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प्रश्न
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उत्तर
Four characteristics of light are:-
(a). Light waves can travel through a vacuum
(b). Light waves are transverse waves
(c). The wavelength of light waves is short so that their length is measured in cents-microns.
(d). The velocity of light in a vacuum is 3 x 108 m/s.
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संबंधित प्रश्न
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