1.

Calculate the electronic velocity in the first Bohr orbit of hydrogen.

Answer»

Solution :For hydrogen, Z=1, n=1
`v_(1)= (2pi E^(2))/(h)`
`=(2 xx (3.14) xx (4.8 xx 10^(-10))^(2))/(6.63 xx 10^(-27))`
`=2.19 xx 10^(8) cm//s`


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