Optics Question 499
Question: Two light sources with equal luminous intensity are lying at a distance of 1.2 m from each other. Where should a screen be placed between them such that illuminance on one of its faces is four times that on another face
Options:
A) 0.2 m
B) 0.4 m
C) 0.8 m
D) 1.6 m
Show Answer
Answer:
Correct Answer: C
Solution:
According to the problem
