Question

The amount of light received per unit area from a source of light is called:

• A. Luminosity of light
• B. Force of light
• C. Intensity of light
• D. Both (A) and (C)

Answer 1

The correct option is C

Intensity of light

Correct option is C: Intensity of light

Explanation:

1. The amount of light received per unit area from a source of light is called Intensity of light.
2. It's unit is candela

Explanation of incorrect option:

1. Luminosity is an absolute measure of radiated electromagnetic power (light), the radiant power emitted by a light-emitting object over time.
2. Light can also exert force through the photophoretic effect.

Final Answer: Option C