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Light Reflection and Refraction
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16/08/2021 1:39 pm
Topic starter
(a) What type of lens is shown in the diagram on the right? What will happen to the parallel rays of light? Show by completing the ray diagram.
(b) Your eye contains a convex lens. Why is it unwise to look at the sun?
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16/08/2021 1:40 pm
(a) The lens shown in convex. the parallel rays will converge to a point called focus (F).
(b) It is unwise to look at the sun because the convex lens focusses a lot of sun rays into our eyes and this may damage them.