Class 12

Nuclei question bank (Physics)

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Q1.

Which is the correct unit for measuring nuclear radii?

(A)
Micron
(B)
Millimetre
(C)
$\mathring{A}$
(D)
Fermi
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Q2.

The nuclear cross-section is measured in barn,it is equal to

(A)
$10^{-20} \, m^2$
(B)
$10^{-30} \, m^2$
(C)
$10^{-28} \, m^2$
(D)
$10^{-14} \, m^2$
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