Question

Light intensity used to be measured according to this PLS ANSWER MY QUESTION

Answer 1

Answer:

Light intensity used to be measured according to the lux (symbol: lx).

Explanation:

The lux (symbol: lx) is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area.

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Answer 2

hi mate,

• Answer : The lux (symbol: lx) is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square metre.
• In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface.
• A photometer is an instrument that measures light intensity. It can be defined as an instrument that measures visible light.
• i hope it helps you.