the number of de broglie wavelength contained in the second bohr orbit of hydrogen atom is
the number of de broglie wavelength contained in the second bohr orbit of hydrogen atom is
A. 1
B. 2
C. 3
D. 4
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Correct Answer - B
`because 2pir_n=nlambda`
`therefore n=2,2pir_2=2lambda=2xx`de broglie wavelength.
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