What Is the Wavelength of a Monochromatic Light Beam, Where

question 62

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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