Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>EXERCISE>Q 8

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The binding energy of an electron in $4^{th}$ orbit of hydrogen atom is

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Important Questions on Atoms

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>EXERCISE>Q 9

Three energy levels

L_{1}, L_{2}

and

L_{3}

of a hydrogen atom correspond to increasing values of energy i.e.,

E_{L_{1}} < E_{L_{2}} < E_{L_{3}} .

If the wavelength corresponding to the transitions

L_{3}

to

L_{2}, L_{2}

to

L_{1}

and

L_{3}

to

L_{1}

are

λ_{3}, λ_{2}

and

λ_{1}

respectively then

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 4

The radius of first orbit of hydrogen atom is

0.53 \overset{\circ}{A}

. The radius of its fourth orbit will be

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 12

What is the maximum number of emission lines when the excited electron of a

H

atom in

n = 6

drops to the ground state?

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 36

What do you mean by Bohr's stable orbit?

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 46

An electron in an atom revolves around the nucleus in an orbit of radius

0.53 \overset{\circ}{A}

. Calculate the equivalent magnetic moment if the frequency of revolution of the electron is

6.8 \times 10^{9} MHz

.

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 47

An electron in an atom revolves around the nucleus in an orbit of radius

0.5 A °

, if the frequency of revolution of electron is

10 MHz

, then the equivalent magnetic moment is

1.257 \times 10^{- k} {Am}^{2}

. Find the value of k.

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 49

In a hydrogen atom, an electron of charge

e

revolves in an orbit of radius

r

with speed

v

. Prove that the magnetic moment associated with the electron is given by

\frac{e v r}{2}