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PhysicsModern PhysicsAtomic structureEasy2 minPYQ_2020

PhysicsEasysingle choice

According to Bohr model, magnetic field at centre (at the nucleus) of a hydrogen atom due to motion of electron in the $n^{t h}$ orbit is proportional to

Options:

Answer:

Solution:

$B = \frac{µ_{0} i}{2 r}$ ; magnetic field at centre of hydrogen atom i.e. at nucleus.

$i = \frac{e}{T} = e f \propto \frac{z^{2}}{n^{3}}$

And $r \propto \frac{n^{2}}{Z}$

and $B \propto \frac{i}{r} \propto \frac{Z^{3}}{n^{5}}$

By solving $B \propto \frac{1}{n^{5}}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: PYQ_2020

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