Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Syllabus

Light from a Point Source Falls on a Small Area Placed Perpendicular to the Incident Light. - Physics

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One Line Answer

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?

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Solution

If the area is rotated about the incident light by any angle, the illuminance will not change.

Concept: Light Process and Photometry
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Chapter 22: Photometry - Exercise [Page 455]
Q 12

APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 1
Chapter 22 Photometry
Exercise | Q 12 | Page 455
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