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Question

Assertion :An electron cannot exist in the nucleus. Reason: The de Broglie wavelength of an electron is much smaller than the diameter of the nucleus.

Read the above assertion and reason and choose the correct option regarding it.

  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Assertion is incorrect but Reason is correct

A
Assertion is correct but Reason is incorrect
B
Assertion is incorrect but Reason is correct
C
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Solution
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The diameter of the nucleus is in the range of 1.75fm (1.75×1015m) for hydrogen (the diameter of a single proton) to about 15fm for the heaviest atoms, such as uranium.

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