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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 current of 2A flows through a 2Ω resistor when connected across a battery
- If a vector 2i+3j+8k is perpendicular to the vector 4j-4i+αk, then value of α is
- If two vectors are equal in magnitude and their resultant is also equal in magnitude
- A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal
- The induced emf in a coil of 10 H inductance in which current varies
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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