A ray of light travelling in air enters obliquely into water . does the light ray bend towards the normal or away from the normal .why
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Answer:
The ray of light bends towards the normal.
Explanation:
As the ray of light is going from a rarer [air] to a denser [water] medium, the speed of the ray of light decreases.
As the speed of light decreases, the refractive index increases. [i.e: The refractive index of water > refractive index of air]
As the refractive index increases, the ray of light bends [refracts] more. This results in the ray of light bending towards the normal!
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it bends away the normal because water act as a denser medium as compared to the air . hope it will help you
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