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STATEMENT-I: It is easy to remove a prot...

STATEMENT-I: It is easy to remove a proton from `._(20)^(40)Ca` nucleus as compared to a neutron.
STATEMENT-II: Inside nucles neutrons are acted on only by attractive forces but protons are also acted on by repulsive forces.

A

Statement-1 is true, statement-2 is true andstatement-2 is correct explanation for statement-1.

B

Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.

C

Statement-1 is true, statement-2 is false.

D

Statement-1 is false, statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
A
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If neutrons exert only attractive force, why don't we have a nucleus containing neutrons alone?

Nucleus contains protons and neutrons only but in beta decay, the electrons are emitted from the nucleus. Explain.

Knowledge Check

  • Protons and neutrons present in the nucleus of an atom are bound by a very strong attractive force are called

    A
    nuclear force
    B
    electrostatic force
    C
    orbital force
    D
    electric force

  • The force acting between proton and proton inside the nucleus is.

    A
    Coulombic
    B
    Nuclear
    C
    Both
    D
    None of these

  • Attractive Force exists between two protons inside the Nucleus. This is due to

    A
    Gravitational force
    B
    Electromagnetic force
    C
    Weak nuclear force
    D
    Strong nuclear force

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    Assertion: Forces acting between proton-proton (f_(pp)) , proton -neutron (f_(pn)) and neutron -neutron (f_(n n)) are such that f_(pp) lt f_(pn)=f_(n n) . Reason: Electrostatic force of repulsion between two proton reduces net nuclear forces between them.

    The force that a neutron exerts on a proton inside an atom is :

    Which of the following assertions are correct? (i) A neutron can decay to a proton only inside a nucleus (ii) A proton can change to a neutron only inside a nucleus (iii) An isolated neutron can change into a proton (iv) An isolated proton can change into a neutron

    STATEMENT-I: It is possible for a thermal neutron to be absorbed by a nucleus where as proton or an alpha particle would need a much larger amount of energy for being absorbed by the same nucleus. STATEMENT-II: Neutron is electically neutral but proton and alpha particle are positively charged.

    Assertion : Protons carrying positive charges are compactly residing inside the nucleus. Reason : Electrostatic repulsive force between protons is very weak.

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