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A concave mirror of focal length f₁ is placed at a distance d from a convex lens of focal length f₂. A beam of light coming from infinity and falling on this convex lens concave mirror combination returns to infinity. The distance d must be equal
Options
(a) f₁+f₂
(b) (- f₁ + f₂)
(c) 2 f₁ + f₂
(d) (-2 f₁ + f₂)
Correct Answer:
2 f₁ + f₂
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Which one of the following is not due to total internal reflection?
- A beam of light consisting of red, green and blue colours is incident on a right
- A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling
- Assuming the sun to have a spherical outer surface of radius r
- A ball is dropped from the root of a tower of height h
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is not due to total internal reflection?
- A beam of light consisting of red, green and blue colours is incident on a right
- A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling
- Assuming the sun to have a spherical outer surface of radius r
- A ball is dropped from the root of a tower of height h
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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