Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 7

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The $α$ -particles of energy $400 keV$ are bombarded on nucleus of ${}_{82}{Pb}$ . In scattering of $α$ -particles, its minimum distance from nucleus will be,

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Important Questions on Nuclear Physics

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 8

In the nuclear reaction

{}_{2}{He}^{4} +_{z} X^{A} \to_{z + 2} Y^{A + 3} + A

,

A

denotes,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 9

For a nucleus to be stable, the correct relation between neutron number

N

and proton number

Z

is,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 10

Two nucleons are at a separation of

1 \times 10^{- 15} m

. The net force(nuclear) between them is

F_{1}

if both are neutrons,

F_{2}

if both are protons and

F_{3}

if one is a proton and other is a neutron. In such a case,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 11

M_{n}

and

M_{p}

represent mass of neutron and proton, respectively. If an element having atomic mass

M

has

N

-neutrons and

Z

-protons, then the correct relation will be,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 12

If

m, m_{n}

and

m_{p}

are the masses of

{}_{Z}X^{A}

nucleus, neutron and proton, respectively, then,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 13

The rest energy of an electron is,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 14

Let

m_{p}

be the mass of proton,

m_{n}

the mass of neutron,

M_{1}

the mass of

{}_{10}^{20}{Ne}

nucleus and

M_{2}

the mass of

{}_{20}^{40}{Ca}

nucleus. Then,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics JEE Main & Advanced>Chapter 5 - Nuclear Physics>DPP>Q 15

The mass number of a nucleus is,