Class 12

30. Atom And Nucleus question bank (Physics)

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Q1.

The ratio of mass defect of the nucleus to its mass number is maximum for

(A)
\( U^{238} \)
(B)
\( N^{14} \)
(C)
\( Si^{28} \)
(D)
\( Fe^{56} \)
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Q2.

A nucleus at rest splits into two nuclear parts having radii in the ratio \( 1 : 2 \). Their velocities are in the ratio

(A)
\( 6 : 1 \)
(B)
\( 2 : 1 \)
(C)
\( 8 : 1 \)
(D)
\( 4 : 1 \)
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