Class 11

30. Atom And Nucleus question bank (Physics)

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Q1.

If in nature there may not be an element for which the principal quantum number \( n > 4 \), then the total possible number of elements will be  

(A)
60
(B)
32
(C)
4
(D)
64
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Q2.

In the Bohr's hydrogen atom model, the radius of the stationary orbit is directly proportional to (\(n\) = principal quantum number)  

(A)
\(n^{-1}\)
(B)
\(n\)
(C)
\(n^{-2}\)
(D)
\(n^2\)
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