Two lamps of illuminating powers 25 cd and 100 cd are placed at the end of a photometer bench 2.0 m long. At what point on the bench will the screen o

Question

Two lamps of illuminating powers 25 cd and 100 cd are placed at the end of a photometer bench 2.0 m long. At what point on the bench will the screen o

Two lamps of illuminating powers 25 cd and 100 cd are placed at the end of a photometer bench 2.0 m long. At what point on the bench will the screen of the photometer be equally illuminated on both sides.

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - 0.67 m for 25 cd lamp

6 views Answered 2023-02-05 15:29