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A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron, respectively, then the value of h/ λ (where λ is wavelength associated with electron wave) is given by :

1. meV
2. 2meV
3. meV
4. meV 2 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Atomic Structure, Key concepts, Topic :-Wave mechanical model of atoms ] Students may find same question in CP exercise sheet : [ JEE Advance, Chapter : Atomic structure, Same Q., Page No.3 ]

Correct answer: meV 2 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Atomic Structure, Key concepts, Topic :-Wave mechanical model of atoms ] Students may find same question in CP exercise sheet : [ JEE Advance, Chapter : Atomic structure, Same Q., Page No.3 ]

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