Optics Question 932
Question: The focal length of a convex mirror is 20 cm its radius of curvature will be
[MP PMT 2001]
Options:
A) 10 cm
B) 20 cm
C) 30 cm
D) 40 cm
Show Answer
Answer:
Correct Answer: D
Solution:
$ f=\frac{R}{2}\Rightarrow R=40cm $