How many photons of radiation of wavelength lemda = 5 * 10^-7 m must fall per second on a blackend plate in order to produce a force of 6.62 * 10^-5 N?
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How many photons of radiation of wavelength lemda = 5 * 10^-7 m must fall per second on a blackend plate in order to produce a force of 6.62 * 10^-5 N? How many photons of radiation of wavelength lemda = 5 * 10^-7 m must fall per second on a blackend plate in order [...]