Radius of the first Bohr’s orbit of hydrogen atom is ............… - Vidyadip

MCQ

Radius of the first Bohr’s orbit of hydrogen atom is ............. $\mathrm{A}$

A
$1.06$
B
$0.22$
C
$0.28$
✓
$0.53$

✓

Answer

Correct option: D.

$0.53$

d
(d) Bohr’s radius of the hydrogen atom

$r = \frac{{{n^2} \times 0.529{A}}}{z}$; where $z =$ Atomic number,

$n = $ Number of orbitals

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