what do you mean by point size source???☺☺
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small sources of light which are present in group such point sources are present in planets of solar system
praanya:
but it is a question of physics class 10 light reflection and refraction
yes i gave u answer of that chapter
no thats is not waild ans
ok no problem
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A point source is a single identifiable localised source of something. A point source has negligible extent, distinguishing it from other source geometries. Sourcesare called point sources because in mathematical modeling, these sources can usually be approximated as a mathematical point to simplify analysis
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