Calculate the speed of the electron in t...

Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.

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The correct Answer is:

`2.2xx10^(6) m s^(-1)`

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Calculate the energy of an electron having de-Broglie wavelength 5500Å. Given, h=6.62xx10^(-34)Js, m_(e)=9.1xx10^(-31)kg .

Determine the radius of the first orbit of hydrogen atom. What would be the velocity and frequency of electron in this orbit? Given h=6.6xx10^(-34)Js, m=9xx10^(-31)kg , e=1.6xx10^(-19)C, K=9xx10^(9)Nm^(2)C^(-2) .

Calculate the frequency of revolution of electron in the second Bohr's orbit of radius 2.12Å. Given, h=6.6xx10^(-34)Js, m=9xx10^(-31)kg .

Calculate the radius of the first and second orbit of sodium atom (Z=11) . (h=6.6xx10^(-34) J s, e=1.6xx10^(-19) C and m=9.1xx10^(-31) kg.)

What is the (a) momentum (b) speed and (c) de-Broglie wavelength of an electron with kinetic energy of 120 eV. Given h=6.6xx10^(-34)Js, m_(e)=9xx10^(-31)kg , 1eV=1.6xx10^(-19)J .

Calculate the (a) momentum and (b) de-Broglie wavelength of the electrons accelerated through a potential difference of 56V. Given, h=6.63xx10^(-34)Js, m_(e)=9.1xx10^(-31)kg, e=1.6xx10^(-19)C .

if the de broglie wavelength of an electron is 0.3 nanometre, what is its kinetic energy ? [h=6.6xx10^(-34) Js, m=9xx10^(-31)kg, 1eV = 1.6xx10^(-19) J]

The de Broglie wavelength of an electron with kinetic energy 120 e V is ("Given h"=6.63xx10^(-34)Js,m_(e)=9xx10^(-31)kg,1e V=1.6xx10^(-19)J)

The speed of electron having de Broglie wavelength of 10 ^(10) m is ( me = 9.1 xx 10 ^(-31) kg, h = 6.63xx 10^(-34) J-s)

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