Physics
A ray is directed towards a lens as shown in the figure below. The lens is being depicted as a combination of a glass slab and two prisms.
Answer the following questions.
(a) Name the lens which is formed by this combination.
(b) What is PQ line called?
(c) Complete the ray diagram.
(d) The incident ray after refraction actually meet or appears to meet line PQ at a point. What is this point called?
Refraction Lens
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Answer
(a) The lens formed by the combination is a convex lens.
(b) The line PQ is called the principal axis.
(c) Below diagram shows the path of the incident ray AB after passing through the convex lens:
(d) The point F is called the focal point.
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