describe giving reasons the path A Ray of light incident on a glass slab takes till it emerges from the slab
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The only reason is it refracts in the glass slab due to change in speed of light
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hey....mate
The incident ray passing through a transparent medium i.e. glass slab (ray of light passing from rarer medium to denser medium i.e. from air to glass) bend towards the normal. This is due to change in speed of light in different media.
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