It The wavelengths of light emitted by a firefly span the visible spectrum but have maximum intensity

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It The wavelengths of light emitted by a firefly span the visible spectrum but have maximum intensity near \(550 \mathrm{~nm}\). A typical flash lasts for \(100 \mathrm{~ms}\) and has a power of \(1.2 \mathrm{~mW}\). If we assume that all of the light is emitted at the peak-intensity wavelength of \(550 \mathrm{~nm}\), how many photons are emitted in one flash?

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College Physics A Strategic Approach

ISBN: 9780321907240

3rd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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