When a ray of light travel from one medium to an optically d
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When a ray of light travel from one medium to an optically denser medium,what will occur?
1.The ray is bent toward the normal.
2.after entering the glass,the speed of light decreases.This causes the light ray to bend towards the normal.
2.after entering the glass,the speed of light decreases.This causes the light ray to bend towards the normal.
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