An object is placed in front of a converging le... - JAMB Physics 1994 Question
An object is placed in front of a converging lens of a focal length 20cm. The image is virtual and has a magnification of 2. What is the distance of the object from the lens?
A
5cm
B
10cm
C
30cm
D
40cm
Ask EduPadi AI...
Correct Option: B
V = -2u
F = (\frac{uv}{u + v})
20 = (\frac{uv - 2u}{u - 2u})
u = 10cm
Please share this, thanks:
#JAMB #JAMB
Add your answer
No responses