Question
Asked Oct 7, 2019
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An instrument is sensitive to laser light packets that carry at least 2.78 × 10-15 J of energy. How many photons of light of frequency of 4.55 × 1014 Hz can the instrument detect?

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Energy of 1 photon is calc...

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E hu -6.62607004x10-34 J/s 4.55x1014g-1 -30.15x10-20

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