Question

# The de - Broglie wavelength associated with the electron in the n=4 level is :

A
half of the de-Broglie wavelength of the electron in the ground state
B
four times the de-Broglie wavelength of the electron in the ground state
C
1/4th of the de-Broglie wavelength of the electron in the ground state
D
two times the de-Broglie wavelength of the electron in the ground state
Solution
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#### De-Broglie wavelength is given as λ=hmv...(i) where h is planck constantThe velocity of electron in Bohr model is given as v=h2πmea∘n...(i)

2
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