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0 votes
14.4k views
in Physics by (45.7k points)

Beams of light are incident through the holes A and B and emerge out of the box through the holes C and D respectively as shown in the given Figure. Which of the following could be inside the box? 

(a) A rectangular glass slab 

(b) A convex lens 

(c) A concave lens 

(d) A prism

1 Answer

+1 vote
by (46.2k points)
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Best answer

The answer is(a) A rectangular glass slab

  • When incident rays fall perpendicularly on the point of incidence. 
  • A rectangular glass slab would refract and then re-refract it.

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