Question on: JAMB Physics - 1990
What must be the distance between an object and a converging lens of focal length 20cm to produce an erect image two times the object height?
A
20cm
B
15cm
C
10cm
D
5cm
Ask EduPadi AI for a detailed answer
Correct Option: C
F = (\frac{uv}{u + v}); v = 2u
20 = (\frac{ux - 2u}{u + (-2u)}); u = 10cm
Add your answer
Please share this, thanks!
No responses