What is the wavelength of a monochromatic light beam,where the photon energy is 5.00 x 10^-19 J? (h = 6.63 x 10^-34 J*s,c = 3.00 x 10⁸ m/s,and 1 nm = 10^-9 m) A)354 nm B)398 nm C)414 nm D)787 nm

Question

Quizplus · Accepted Answer

The wavelength can be calculated using the formula λ = hc/E, where h is Planck's constant, c is the speed of light, and E is the photon energy. Substituting the given values, λ = (6.63 x 10^-34 J·s)(3.00 x 10^8 m/s) / (5.00 x 10^-19 J) = 3.98 x 10^-7 m = 398 nm.

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