The diagram given alongside shows a ray of light entering a rectangular block of glass.

(a) Copy the diagram and draw the normal at the point of entry.


(b) Draw the approximate path of the ray of light through the glass block and out of the other side.

(a) a ray of light entering a rectangular block of glass will have normal as seen


(b) approximate path of the ray of light through the glass block and out of the other side is



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