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Let Fpp, Fpn and Fnn 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. - Physics

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ConceptNuclear Energy Introduction of Nuclear Energy

Question

Let Fpp, Fpn and Fnn 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.

  • Fpp > Fpn = Fnn

  • Fpp = Fpn = Fnn

  • Fpp > Fpn > Fnn

  • Fpp < Fpn = Fnn

Solution

Fpp < Fpn = Fnn

Protons and neutrons are present inside the nucleus and they exert strong attractive nuclear forces on each other, which are equal in magnitude. Due to their positive charge, protons repel each other. Hence the net attractive force between two protons gets reduced, but the nuclear force is stronger than the electrostatic force at a separation of 1 fm.

∴ Fpp < Fpn = Fnn

Here, Fpp, Fpn and Fnn 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.

  Is there an error in this question or solution?

APPEARS IN

 HC Verma Solution for Concepts of Physics - Vol. 2 (2018 to Current)
Chapter 24: The Nucleus
MCQ | Q: 6 | Page no. 440
Solution Let Fpp, Fpn and Fnn 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. Concept: Nuclear Energy - Introduction of Nuclear Energy.
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