Luminous Intensity
Luminous Intensity: Overview
This Topic covers sub-topics such as SI Unit for Luminous Intensity, Luminous Intensity, Photometer and, Luminous Flux
Important Questions on Luminous Intensity









A photometer is used to measure the luminous flux in lumen.


Candela is used to express electric field intensity.

Intensity of light from a candle is approximately equal to one ‘candela’.

Luminous Intensity is the amount of visible light, that is emitted in unit area per unit _____.

What is the unit of measurement for luminous flux?

How does the angle of emission affect the perceived luminous intensity?

What happens to the intensity of light when the area increases at a constant power?

What is the formula used to calculate luminous intensity?

What would happen to the luminous intensity if the power of the light source is increased?

Which of the following is true about the unit candela?
