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Two identical photocathodes receive light of frequencies x & y.If the velocities of the of the photoelectrons (of mass m)coming out are x & y,then (1) x-y = [2h/m(x-y)] 1/2 (2) x 2 - y 2 =2h/m(x-y) (3) x+y = [2h/m(x-y)] 1/2 (4) x 2 + y 2 =2h/m(x-y)


Two identical photocathodes receive light of frequencies x & y.If the velocities of the of the photoelectrons (of mass m)coming out are x & y,then

(1)  x-y = [2h/m(x-y)]1/2                                 (2)  x2 - y2 =2h/m(x-y)

(3) x+y = [2h/m(x-y)]1/2                         (4) x2 + y2 =2h/m(x-y)


Grade:10

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