When a convex lens is immersed in a liquid having the same refractive index as the lens material, it will
Options
- A. Act as a plane mirror
- B. Have infinite focal length
- C. Become a concave lens
- D. Have zero focal length
- E. None of the above
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Correct Answer (Detailed Explanation is Below)
B. Have infinite focal length
Detailed Explanation
When the refractive indices of the lens and surrounding medium are equal, the lens has no refracting power and its focal length tends to infinity.
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