The focal length of a concave mirror is 2.0cm. If an object is placed 8.0cm from it, the image is at
-
A.
2.7m -
B.
2.0m -
C.
2.3m -
D.
2.5m
Correct Answer: Option A
Explanation
(frac{1}{U} + frac{1}{V} = frac{1}{f})
(frac{1}{8} + frac{1}{V} = frac{1}{2})
(V = frac{8}{3})
(V = 2.7cm)
There is an explanation video available below.