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mikael mikael
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Posts: 12017
10 years ago
Increasing the brightness of a beam of light without changing its color will increase 
A) the number of photons emitted by light every second. 
B) the average energy of each photon. 
C) the speed of the photons. 
D) Two of the above statements are true. 
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padrepadre
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10 years ago
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mikael Author
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10 years ago
Thanks again.
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