SOLVED:The laser in a DVD player emits light at a wavelength of 640 nm . The laser in a Blu-Ray player emits light at 405 nm What are the photon energies of
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SOLVED:The data encoded on CDs, DVDs, and Blu-ray discs is read by lasers. What is the wavelength in nanometers and the energy in joules of the following lasers? (a) CD laser, ν=3.85 ×
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