Q19
Which one of the following statements is not correct?
A.
The radius of curvature of a concave mirror is twice its focal length
B.
Power of a convex lens is negative and that of a concave lens is positive
AnswerC.
The radius of curvature of a plane mirror is infinity
D.
When a ray of light passes from an optically denser medium to an optically rarer medium, an angle of refraction is greater than the corresponding angle of incidence
Answer: Option B
Solution
Answer: Option B
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