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To find wavelength, use c = λ x v (c=3x108, λ is wavelength, and v is frequency). To find energy, use E = h x v (E is energy, h is Planck's constant 6.626x10-34). You already have frequency so just plug in the value into these equations. Hope this helps!
Hi! Something to also remember for solving this problem is that Hertz can be converted to seconds^-1. This way, when you are solving the problem the units will cancel and solving the problem will be easier to follow. Hope this helps!
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