1.

Two lamps of luminous intensity of 8 Cd and 32 Cd respectively are lying at a distance of 1.2 m from each other. Where should a screen be placed between two lamps such that its two faces are equally illuminated due to two sources

A. 10 cm from 8 Cd lamp
B. 10 cm from 32Cd lamp
C. 40 cm from 8 Cd lamp
D. 40 cm from 32 Cd lamp
Answer» D. 40 cm from 32 Cd lamp


Discussion

No Comment Found

Related MCQs