Which of the following correctly, describes the image of an object, 4cm from a diverging lens of focal length 12cm?
A
The image is virtual, 3cm in front of the lens
B
The image is real, 6cm behind the lens
C
The image is virtual, 6cm in front of the lens
D
The image is real, 3cm in front the lens
Verified Correct Answer: A.
Physical Principles & Numerical Solution
F = \(\frac{uv}{u + v}\)
F = -ve
-12 = \(\frac{4 \times v}{4 + v}\)
v = -3cm
Source: Myschool Past Questions Archive (Record #28190)