Question:

Consider a thick biconvex lens (thickness t=4cm and refractive index n=1.5) whose magnitudes of the radii of curvature R1 and R2, of the first and second surfaces are 30cm and 20cm, respectively. Surface 2 is silvered to act as a mirror. A point object is placed at point A on the axis (OA= 60cm) as shown in the figure. If its image is formed at point Q, the distance d between O and Q is_____ cm. (Rounded off to two decimal places)
a thick biconvex lens

Updated On: Sep 10, 2024
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Correct Answer: 3.55

Solution and Explanation

The correct answer is: 3.55 to 3.90 (approx)
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