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B) Draw a figure describing the following:The reflecting surfaces of two Mirrors make an angle of90 degree with each other if a inside and on one mirror has anangle of incidence of 30 degree draw the ray reflected from thesecond mirror what will be its angle of reflection?please answer |
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Answer» Intergalactic gas is so TENUOUS that it emits no LIGHT of its own. ... Instead ASTRONOMERS study it indirectly by observing how it SELECTIVELY absorbs the light coming from faraway sources KNOWN as quasars. |
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