Light from a point source falls on a small area placed perpendicular to the incident light. If the area is

Question

Light from a point source falls on a small area placed perpendicular to the incident light. If the area is

Light from a point source falls on a small area placed perpendicular to the incident light. If the area is rotated about the incident light by an angle of 60°, by what fraction will the illuminance change ?

Monjur Alahi

4 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

The illuminance will not change.

4 views Answered 2023-02-05 15:29