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What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

Will you chech and finish these for me, because i am stumped with them.