First slide

Bohr Model of the Hydrogen atom.

Question

The ratio of radius of $α -$ particle to that of sulphur nucleus is

Moderate

A

1 : 8
B

1 : 4
C

1 : 2
D

1 : 3

Solution

$r α {(A)}^{\frac{1}{3}}$
$∴ \frac{r_{α}}{r_{s u l}} = {(\frac{4}{32})}^{\frac{1}{3}} = \frac{1}{2}$

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