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 ?
(a) 0.2 m (b) 0.4 m (c) 0.8 m (d) 1.6 m
Answers
Answered by
0
Answer:
1.6m
Answered by
0
Explanation:
d) is the correct answer.-
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