Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 44

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A force between two protons is same as the force between proton and neutron. The nature of the force is

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Important Questions on Nuclei

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 45

The nuclear forces are

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 46

Nuclear force exists between

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 47

Let

F_{p p}, F_{p n}

and

F_{n n}

denote the magnitudes of the net force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. Neglect gravitational force. When the separation is

1 fm

.

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 48

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

N

and proton number

Z

is,

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 49

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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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 50

Two protons are kept at a separation of

50 \overset{\circ}{A}

. If

F_{n}

is the nuclear force and

F_{e}

is the electrostatic force between them, then,

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 51

_____ forces are charge independent.

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Achieve CUET (UG) Physics Practice Book>Chapter 13 - Nuclei>Exercise>Q 52

Nuclear force between proton-proton is ____.