What Is the Wavelength of a Monochromatic Light Beam,where the Photon

question 18

Multiple Choice

What is the wavelength of a monochromatic light beam,where the photon energy is 2.00 eV? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 nm = 10−⁹ m,and 1 eV = 1.6 × 10−¹⁹ J)

• A) 414 nm
• B) 1243 nm
• C) 311 nm
• D) 622 nm

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