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Physics GK · Q246

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Competitive Exams · Physics GK · question 246

Q246

A lens has a power of +2.0 Dioptre. Which one of the following statements about the lens is true?

A.
The lens is concave and has a focal length of 0.5 m
B.
The lens is convex and has a focal length of 2.0 m
C.
The lens is convex and has a focal length of 0.5 m
Answer
D.
The lens is concave and has a focal length of 2.0 m

Answer: Option C

Solution

Answer: Option C
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