Question

What is the Intensity of light?

Answer 1

Answer:

Intensity of light or rather luminous intensity can be measured in two ways. Measuring the number of photons coming through a unit solid angle per unit time. Its unit is termed as Candela (Cd). Measuring the light falling on a unit area, which is kept at a unit distance from source, in a unit time.

Answer 2

Answer:

Intensity of light or rather luminous intensity can be measured in two ways. Measuring the number of photons coming through a unit solid angle per unit time. Its unit is termed as Candela (Cd). Measuring the light falling on a unit area, which is kept at a unit distance from source, in a unit time.

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