The image of a pin formed by a diverging lens of focal length 10cm is 5cm from the lens. Calculate the distance of the pin from the lens
-
A.
-3.3cm -
B.
3.3cm -
C.
10.0cm -
D.
15.0cm -
E.
20.0cm
Correct Answer: Option B
Explanation
1/u – 1/v = 1/f; f = 10cm, v = 5cm
u = 10/3 = 3.3cm