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You have a red laser pointer with a wavelength of 635 mm and a beam power of 1 mW. How many photons are emitted by

You have a red laser pointer with a wavelength of 635 mm and a beam power of 1 mW. How many photons are emitted by this laser per second? Note: c, the speed of light here, is 2.99 x 10' m/s h (plank's constant) = 6.62 x 1034 ] * 5

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