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Chemistry · Structure of atom

हिन्दी

If the radius of a nucleus of a heavy atom \( A \) is estimated, what is the approximate ratio of the nuclear radius to the radius of its atom if the atomic radius is of the order of \( 10^{-10}\text{ m} \) and nuclear radius is \( 10^{-14}\text{ m} \)?

  1. \( 10^{-4} \)
  2. \( 10^{-2} \)
  3. \( 10^{2} \)
  4. \( 10^{4} \)

Correct answer · Option 1

\( 10^{-4} \)

Explanation

The ratio of nuclear radius to atomic radius is approximately \( \frac{10^{-14}\text{ m}}{10^{-10}\text{ m}} = 10^{-4} \).
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