Optics Question 590

Question: The ray diagram could be correct

[CPMT 1988]

Options:

A) If n1=n2=ng

B) If n1=n2 and n1<ng

C) If n1=n2 and n1>ng

D) Under no circumstances

Show Answer

Answer:

Correct Answer: C

Solution:

If nl>ng then the lens will be in denser medium. Hence its nature will change and the convex lens will behave like a concave lens.



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