A non-S1 unit called 'nit' is the unit of which of the following photometric quantities used to measure a multitude of light intensity?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Luminance
- The unit 'nit' is used to measure luminance, which is a photometric quantity that describes the intensity of light emitted or reflected from a surface per unit area in a given direction.
- One nit is equal to one candela per square meter (cd/m²).