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Q: A non-S.I. unit called 'nit' is the unit of which of the following photometric quantity which is used to measure the multiplicity of light intensity?
  • A. Luminosity
  • B. Luminance
  • C. Luminous Emission
  • D. Bright Exposure
Correct Answer: Option B - Luminance is a unit of photometric quantity, which is used to measure the multiplicity of light intensity. The measurement of light seen by the human eye is called photometry. The S.I. unit of luminane is candela/square meter (cd/m²).
B. Luminance is a unit of photometric quantity, which is used to measure the multiplicity of light intensity. The measurement of light seen by the human eye is called photometry. The S.I. unit of luminane is candela/square meter (cd/m²).

Explanations:

Luminance is a unit of photometric quantity, which is used to measure the multiplicity of light intensity. The measurement of light seen by the human eye is called photometry. The S.I. unit of luminane is candela/square meter (cd/m²).