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Q.

The ratio of volume of atom to that of nucleus

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a

10¹⁵

b

10¹⁰

c

10⁵

d

10⁷

answer is A.

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Detailed Solution

ratio of atomic radius to radius of nucleus = $\frac{R_{a}}{R_{n}} = \frac{10^{- 10} m}{10^{- 15} m} = 10^{5}$

$\Rightarrow \frac{V_{a}}{V_{n}} = {(10^{5})}^{3} = 10^{15}$

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