Home Physics Ray Optics Refraction at Curved Surface A beam of parallel rays is brought to a focu…
Physics Ray Optics Refraction at Curved Surface MCQ (Single Correct)

A beam of parallel rays is brought to a focus by a plano-convex lens. A thin concave lens of the same focal length is joined to the first lens. The effect of this is

A
The focal point shifts away from the lens by a small distance
B
The focus remains undisturbed
C
The focus shifts to infinity
D
The focal point shifts towards the lens by a small distance

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The correct answer is:
C

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