JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]

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Statement I: Electromagnetic force dominates all phenomena at atomic and molecular scales.

Statement II: Electromagnetic force is much stronger than the gravitational force.

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Correct option: A

Both statement I and II are correct.

Both statements are correct. Electromagnetic forces dominate at atomic and molecular scales, and they are significantly stronger than gravitational forces.

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Which of the following statement is correct? Gravitational force dominates in terrestrial phenomena because Natural science does not include Prior to the advent of the Einstein’s theory of relativity, it was concluded that Assertion: In universe, gravitational force dominates in long distance and electric force dominates in short distance.

Reason: For gravitational force

\propto \frac{\text { (mass) }^2}{\text { distance }^2}

and electric force

\propto \frac{\text { charge }^2}{\text { distance }^2}

The theory of solar system, in which the sun occupies the central position, is known as