Physics, asked by masiullah88095, 19 hours ago

At what distance from a screen will a 27cd lamp provide the same illumination as a 75cd lamp 15m from the screen

Answers

Answered by nehasagare40gmailcom

0

Answer:

the distance at which the 27 Cd lamp produces same illumination as 75 Cd lamp at 15m is equal to 9 m.

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