Atoms And Nuclei — Physics

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Question 1
EasyJEE

The radius of a nucleus is proportional to:

A. A1/3A¹/³
B. A
C. A2/3A²/³
D. A−1/3A⁻¹/³
Question 2
EasyJEE

The binding energy per nucleon is maximum for nuclei with mass number around:

A. 56 (Fe)
B. 4 (He)
C. 12 (C)
D. 238 (U)
Question 3
EasyJEE

The energy of an electron in the first Bohr orbit of hydrogen is -13.6 eV. The energy in the second orbit is:

A. −3.4eV-3.4 eV
B. −6.8eV-6.8 eV
C. −1.51eV-1.51 eV
D. −27.2eV-27.2 eV

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