Check sibling questions

A ray of light travelling in air enters obliquely into water. Does the light ray bends towards the normal or away from the normal? Why?



The ray of light moves from

Air (rarer medium) to Water(denser medium)


We know that,

When light travels from a rarer medium to a denser medium,

Speed of light decreases and 

It bends towards the normal.


Hence, the ray of light would bend towards the normal when light ray will enter in water


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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo