Question : A non-SI unit called 'nit' is the unit of which of the following photometric quantities is used to measure a multitude of light intensities?
Option 1: Luminous exposure
Option 2: Luminance
Option 3: Luminosity
Option 4: Luminous emittance
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Correct Answer: Luminance
Solution : The Correct Option is Luminance.
A nit is a non-SI (International System of Units) unit of measurement for luminance, which is a photometric quantity used to describe the intensity of light that is visible to the human eye. One nit is equal to one candela per square meter (cd/m²). Luminance is an important parameter in fields such as display technology, lighting design, and photography.
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