Photoelectric EffectHard
Question
Two lamps of luminous intensity of 8 Cd and 32 Cd respectively are lying at a distance of 1.2m from each other. Where should a screen be placed between two lamps such that its two faces are equally illuminated due to the two sources ?
Options
A.10 cm from 8 Cd lamp
B.10 cm from 32 Cd lamp
C.40 cm from 8 Cd lamp
D.40 cm from 32 Cd lamp
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