Class 12

Nuclei question bank (Physics)

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Q1.

The order of magnitude of the density of a uranium nucleus is: (Given: ${m_p} = 1.67 \times 10^{-27} \ kg$)

(A)

${10^{20}} \ kg/m^3$

(B)

${10^{17}} \ kg/m^3$

(C)

${10^{14}} \ kg/m^3$

(D)

${10^{11}} \ kg/m^3$

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Q2.

$A$ nucleus ruptures into two nuclear parts which have their velocity ratio equal to $2 : 1$. What will be the ratio of their nuclear size (nuclear radius)?

(A)

$2^{1/3} : 1$

(B)

$1 : 2^{1/3}$

(C)

$3^{1/2} : 1$

(D)

$1 : 3^{1/2}$

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