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when photons of energy 4.25ev strike at surface of a metal A, the ejected e- have maximum kinetic energy, Ta & de broglie wavelength lemda a the k max of e- emitted from other metal B by photons of energy 4.20ev is Tb = Ta - 1.50ev . If de broglie wavelength of these e- is lemda B = 2*lemda A then which is not correct
A; work function of A is 2.25ev
B; work function of B is 3.70ev
C; Ta=2ev
D; Tb=2.75ev
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