Using Bohr atomic model, drive expression for calculating the radius of orbits (5)
in He+. Using this expression, calculate the radius of fourth orbit of He+ ion.
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according to Bohr's theory
mvr =nh/2pi
e.g angular momentum associated with orbital is intgeral multiple of h/2pi.
and ,
KZe^2/r^2 =mv^2/r
if we solve both of this then
radius ( r) =n^2h^2/4pi^2.mKZe^2
also r =(0.529) n^2/Z angustrum
now,
radius of 4th orbit of He +=(0.529)(4)^2/2 = (0.529)(8) A
mvr =nh/2pi
e.g angular momentum associated with orbital is intgeral multiple of h/2pi.
and ,
KZe^2/r^2 =mv^2/r
if we solve both of this then
radius ( r) =n^2h^2/4pi^2.mKZe^2
also r =(0.529) n^2/Z angustrum
now,
radius of 4th orbit of He +=(0.529)(4)^2/2 = (0.529)(8) A
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