Optics Question 903
Question: An object $ 5cm $ tall is placed $ 1m $ from a concave spherical mirror which has a radius of curvature of $ 20cm $ The size of the image is
[MP PET 1993]
Options:
A) $ 0.11cm $
B) $ 0.50cm $
C) $ 0.55cm $
D) $ 0.60cm $
Show Answer
Answer:
Correct Answer: C
Solution:
$ \frac{I}{O}=\frac{f}{(f-u)}\Rightarrow \frac{I}{+5}=\frac{-10}{-10-(-100)}\Rightarrow I=0.55\ cm $
