Nilima Nilima
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Check that the ratio

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Check that the ratio

is dimensionless. Look up a table of Physical Constants and determine the value of this ratio. What does the ratio signify?

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1 Answer

  1. Solution:
    The ratio of electrostatic force to the gravitational force between an electron and a proton separated by a distance r from each other is

    This ratio signifies that electrostatic forces are 1039 times stronger than gravitational forces.

    Check the complete chapter with solutions.

    NCERT Solutions for 12th Class Physics: Chapter 1-Electric Charges And Fields