What Is the Wavelength of a Photon Emitted by a Kr

question 153

Multiple Choice

What is the wavelength of a photon emitted by a Kr^ laser with an energy of 3.07 J?

• A)(   224 nm)
• B)(   389 nm)
• C)(   417 nm)
• D)(   647 nm)
• E)(   534 nm)

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Definitions:

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