describe an experiment along with a diagram to explain refraction through a glass slab
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describe an experiment along with a diagram to explain refraction through a glass slab
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Answer:
The ray of light bends twice. First time when it enters from air to the glass slab, it bends towards the normal, i.e., from rarer medium to denser medium. Second time, when the ray moves out from the glass slab to air, it bends away from the normal, i.e., it moves from denser medium to rarer medium