Question:
A laser used in DVD players has a wavelength of 405 nm.
Last updated: 7/10/2022
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A laser used in DVD players has a wavelength of 405 nm. What is the energy of this light in joules? 4.91 × 10^-28 J 4.91 × 10^-19 J 8.05 × 10^-32 J 8.05 x 10^-23 J 2.98 × 10^-32 J