What is the quantity that is used to measure the total amount of energy flowing from the light source?(a) Brightness(b) Intensity(c) Luminence(d) RadianceI got this question in my homework.I'd like to ask this question from Color Fundamentals topic in portion Color Image Processing of Digital Image Processing

What is the quantity that is used to measure the total amount of energ

1.	What is the quantity that is used to measure the total amount of energy flowing from the light source?(a) Brightness(b) Intensity(c) Luminence(d) RadianceI got this question in my homework.I'd like to ask this question from Color Fundamentals topic in portion Color Image Processing of Digital Image Processing
Answer» Correct CHOICE is (d) Radiance The explanation is: THREE quantities are used to describe the quality of a CHROMATIC light source: radiance, luminance and brightness. Radiance is used to measure the total amount of energy flows from the light source and is generally measured in watts (W).

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