Physics XI Chapter One ‘Physical World’ notes

There are four fundamental forces in nature. They are Gravitational Force, Electromagnetic force, Strong Nuclear force and Weak Nuclear Force. Read on.

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26 thoughts on “Physics XI Chapter One ‘Physical World’ notes”

  1. help me out plz!!
    I’m asked to write out a seminar report on the chapter ‘physical world’ from ncert XIth physics text book….pls help do me in making notes….

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