An object is placed 20.0cm in front of a converging lens of focal length 15.0cm. Calculate its image distance
- 1.3cm
- 8.6cm
- 35.0cm
-
60.0cm
The correct answer is: D
Explanation
\(\frac{1}{v} = \frac{1}{f} - \frac{1}{U}\)\(\frac{1}{15} - \frac{1}{20} = 60cm\)