Question on: SS1 Physics - Introduction To Physics And Measurement
State and explain the fundamental quantities of light and the amount of substance.
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- Luminous Intensity: The fundamental quantity for measuring the intensity of light emitted by a source. Its unit is the candela (cd).
- Amount of Substance: The fundamental quantity for measuring the number of entities (such as atoms or molecules) in a substance. Its unit is the mole (mol).
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