Q. A source of light emits a continuous stream of light energy which falls on a given area. Luminous intensity is defined as
A) Luminous energy emitted by the source per second
B) Luminous flux emitted by source per unit solid angle
C) Luminous flux falling per unit area of a given surface
D) Luminous flux coming per unit area of an illuminated surface
Explanation
The correct answer is Option B: Luminous flux emitted by source per unit solid angle.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.