An electron in the hydrogen atom jumps from excited state n to the ground state. The wavelength so emitted illuminates a photosensitive material having work function 2.75eV. If the stopping potential of the photoelectron is 10V, then the value of n is :-
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Correct option is B)
Differenced of 4 and 1 energy level is 12.75 eV So higher energy level is 4 to ground and Excited state is n=3.
Solve any question of Dual Nature of Radiation And Matter with:-