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If the velocity of the electron in Bohr’...

If the velocity of the electron in Bohr’s first orbit is `2.19 xx10^(6) ms^(–1)`, calculate the de Broglie wavelength associated with it.

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`lambda=h/(mv)=(6.626xx10^(-34) kgm^(2) s^(-1))/((9.11xx10^(31)kg)xx(2.19xx10^(-6)m s^(-1)))`
`=3.32xx10^(-10)m=332 pm`
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