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A horizantal cesium plate(work function=1.9 eV)is moved vertically downward at a constant speed v in a room full of raiation of wavelenght 250nm and above .What should be the minimum value of v so that the vertically upward component of velocity becomes nonpositive for each photoelectron..................


A horizantal cesium plate(work function=1.9 eV)is moved vertically downward at a constant speed v in a room full of raiation of wavelenght 250nm and above .What should be the minimum value of v so that the vertically upward component of velocity becomes nonpositive for each photoelectron..................


Grade:upto college level

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