Ray Optics and Optical Instruments - Result Question 32
32. A concave mirror of focal length ’ ’ is placed at a distance of ’ ’ from a convex lens of focal length ’ ‘. A beam of light coming from infinity and falling on this convex lens-concave mirror combination returns to infinity.
[2012] The distance ’
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 32. (c)
Solution:
- (c)