What are the confirmation to observe rainbow

1.	What are the confirmation to observe rainbow
Answer» i)\tThe sun comes out after a rainfall.\t(ii)\tThe observer stands with the sun towards his/herback, (any one)Formation of a rainbow : The rays of light reach the observer through a refraction, followed bv a reflection and a refraction.Figure shows red light, from drop 1 and voilet light from drop 2, reaching the observers eye.\tN for diagram please prefer ncert textbook

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