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Question 15.S&C.1: 1. What does the word quantum mean?

1. What does the word quantum mean?

 

2. How much total energy is in a monochromatic beam composed of n photons of frequency f ?

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1. A quantum is the smallest elemental unit of a quantity. Radiant energy, for example, is composed of many quanta, each of which is called a photon. So the more photons there are in a beam of light, the more energy there is in that beam.

2. The total energy would be nhf.

 

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