The focal length of a concave mirror is 2.0cm. If an object is placed 8.0cm from it, the image is at
-
2.7m
- 2.0m
- 2.3m
- 2.5m
The correct answer is: A
Explanation
\(\frac{1}{U} + \frac{1}{V} = \frac{1}{f}\)\(\frac{1}{8} + \frac{1}{V} = \frac{1}{2}\)
\(V = \frac{8}{3}\)
\(V = 2.7cm\)
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