[" When monochromatic light from a bulb ...

[" When monochromatic light from a bulb falls on a photosensitive surface,the number "],[" of photoelectrons emitted per second is "n" and their maximum kinetic energy is "K_(max)" .If "],[" the distance of the bulb from the surface is halved,then "]

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[" When monochromatic light from a bulb falls on a photosensitive surface,the number "],[" of photoelectrons emitted per second is "n" and their maximum kinetic energy is "K_(max)" .If "],[" the distance of the bulb from the surface is halved,then "]

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