Which of the following correctly, describes the image of an object, 4cm from a diverging lens of focal length 12cm?
-
The image is virtual, 3cm in front of the lens
- The image is real, 6cm behind the lens
- The image is virtual, 6cm in front of the lens
- The image is real, 3cm in front the lens
The correct answer is: A
Explanation
F = \(\frac{uv}{u + v}\)F = -ve
-12 = \(\frac{4 \times v}{4 + v}\)
v = -3cm