AIPMT PRELIMS2000Physics-Optics
AIPMT PRELIMS 2000 Physics Lenses MCQ Question
Type: MCQ-numerical-Medium-Class 12
For a plane convex lens (μ = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal length after silvering:
A
10 cm
B
20 cm
C
15 cm
D
25 cm
Correct Answer
Option A
Detailed Explanation
The focal length of a silvered lens is calculated using the lens maker's formula and considering the silvering effect, resulting in 15 cm.
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