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Question

what happens when refraction of light passes from glass into water

Answer 1

Glass and water are two different mediums with unique indices of refraction.  Because of this, the angle of refraction will increase (with respect to the normal reference line) as the light passes through the two mediums.  The angle of refraction increases because the first medium has a greater index of refraction than the second.

 

Note:  The normal line is perpendicular to the surface of any mediums

 

Use this formula to find the angle of refraction between any two mediums.

 

n₁sinθ₁ = n₂sinθ₂

 

where:

n₁ = the index of refraction of the 1st medium (glass)

n₂ = the index of refraction of the 2nd medium (water)