Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 3

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Which of the following may be representing graph between number of scattered particles detected $(N)$ and scattering angle $(θ)$ in Rutherford's experiment?

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Important Questions on Atoms

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 5

When a hydrogen atom emits a photon of energy

12.09 eV,

its orbital angular momentum changes by (where

h

is Planck's constant)

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 6

If the difference between

(n + 1)^{th}

Bohr radius and

n^{th}

Bohr radius is equal to the

(n - 1)^{th}

Bohr radius then find the value of

n

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

Ratio of magnetic dipole moment to the angular momentum for hydrogen like atoms is (

e

and

m

are electronic charge and mass respectively)

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 11

Total energy of an electron in the hydrogen atom in the ground state is

- 13.6 eV .

The potential energy of this electron is

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 13

Time period of revolution of an electron in

n^{th}

orbit in a hydrogen like atom is given by

T = \frac{T_{0} n^{a}}{Z^{b}} . Z

=

atomic number

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 15

The wavelength of radiation emitted is

λ_{0}

when an electron jumps from the third to the second orbit of the hydrogen atom. For the electron which jumps from the fourth to the second orbit of hydrogen, the wavelength of radiation emitted will be

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 18

The maximum wavelength that a sample of hydrogen atoms can absorb is

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Gamma Question Bank for Medical Physics>Chapter 29 - Atoms>Assigment>Q 19

The lines in Balmer series have their wavelengths lying between