A double convex thin lens made of glass (refractive index 
) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens, will converge at a distance 
such that
a)
b)
c)
d)
A double convex thin lens made of glass (refractive index ) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens, will converge at a distance such that
a)
b)
c)
d)
Question ID - 152995 | SaraNextGen Top Answer
A double convex thin lens made of glass (refractive index ) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens, will converge at a distance such that
a)
b)
c)
d)
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A double convex thin lens made of glass (refractive index |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) The parallel rays coverage at a distance equal to focal length of lens so
So |
therefore, 
127 votes
Answer Link
127