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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.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A boy standing at the top of a tower of 20m height drops a stone
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
- The velocity of molecules of a gas at temperature 120 K is v. At what temperature
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
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Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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