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The radius of the first electron orbit o...

The radius of the first electron orbit of a hydrogen atom is `5.3 xx 10^(-11)`m. what is the radius of its second orbit ?

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The correct Answer is:
`21.2 xx 10^(-11)`m
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CHHAYA PUBLICATION-ATOM-EXERCISE(Very Short Answer Type Questions)
  1. The nucleus contains the entire …… charge and nearly the entire…….of a...

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  2. In Rutherford's experiment , which particle is reponsible for the low ...

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  3. Total energy of the electron in the first Bohr orbit of hydrogen atom ...

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  4. Energy of electron in the first excited state of hydrongen atom is -3....

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  5. What is the ratio of the areas of the first and the second orbits of a...

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  6. What is the approximate diameter of a hydrogen atom ?

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  7. Energy in the ground state of hydrogen atom is -13.6 eV . What are t...

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  8. If the radius of the first Bohr orbit is r, what would be the radiu...

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  9. What is Bohr's quantum condition for the angular momentum of electron ...

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  10. According to Bohr's model ,what is the ratio between the kinetic ener...

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  11. The electron energy in the first Bohr orbit of hydrogen atom is -13.6 ...

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  12. What is the electron velocity in the second orbit of hydrogen atom ?

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  13. The ionisation energy of a hydrogen atom is 13.6 eV. Estimate the ene...

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  14. An energy of 13.6 eV is needed to ionise a hydrogen atom. How much en...

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  15. The radius of the first electron orbit of a hydrogen atom is 5.3 xx ...

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  16. The total energy of an electron in the first excited state of hydrog...

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  17. Name the different types of X- ray spectrum.

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  18. What is the general name of the spectral line emitted due of transitio...

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  19. An electron beam hits a target to produce continuous X-ray spectrum. I...

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  20. At which value of the atomic Z of the target element, does Moseley's...

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