Scattering of light definition: Scattering of light occurs when light rays collide with an obstruction such as dust, gas molecules, or water vapours and divert from their straight course.
Question : A star appears twinkling in the sky because of :
Option 1: scattering of light by atmosphere
Option 2: reflection of light by atmosphere
Option 3: refraction of light by atmosphere
Option 4: diffraction of light by atmosphere
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