Question

Velocity of electron in first orbit of hydrogen atom

Answer 1

The velocity of electron in the first Bohr orbit of hydrogen atom is,

Explanation :

Formula used for velocity of electrons in Bohr orbit of hydrogen atom is :

where,

v = velocity of electron = ?

n = principle quantum number = 1

h = Planck's constant =

m = mass of electron =

r = Bohr radius =

Conversion used :

Now put all the given values in the above formula, we get :

Therefore, the  velocity of electron in the first Bohr orbit of hydrogen atom is,

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