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2. structure of atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
Bohr's radius can have
  • A
    Discrete values
  • ✓
    $ + ve$ values
  • C
    $ - ve$ values
  • D
    Fractional values
✓

Answer

Correct option: B.
$ + ve$ values
b
(b) Bohr’s radius $ = \frac{{{n^2}{h^2}}}{{4{\pi ^2}m{e^2}z}}$. Which is a positive quantity.

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