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Ratio of radii of second and first Bohr ...

Ratio of radii of second and first Bohr orbits of H atom

A

2

B

4

C

3

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
Bohr radius = `r_(2)/r_(1)=(2)^(2)/(1)^(2)=4`.
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Atomic Models and Planck.s Quantum Theory)
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  2. The ratio between kinetic enegry and total enegry of the electrons of ...

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  3. Ratio of radii of second and first Bohr orbits of H atom

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  9. The circumference of the second Bohr orbit of an electron in a hydro...

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  10. The existence of a positively charged nucleus in an atom was discovere...

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  12. In spectral series of hydrogen, the series which does not come in infr...

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  13. In Balmer series of H atom spectrum, which electronic transitions repr...

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  14. The emission spectrum of hydrogen is found to satisfy the expression f...

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  15. The shortest wavelength in hydrogen spectrum of Lyman series when R(H)...

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  16. The ratio of the frequency corresponding to the third line in the lyma...

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  17. For balmer series in the spectrum of atomic hydrogen the wave number...

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  18. Magnitude of K.E. in an orbit is equal to

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