JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]

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Which of the following statement is correct?

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Correct option: B

Like gravitational force, electromagnetic force acts over large distances and does not need any intervening medium

Option B (Like gravitational force, electromagnetic force acts over large distances and does not need any intervening medium) is correct because both gravitational and electromagnetic forces are long-range forces that can act through a vacuum.

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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 In 1913, Niels Bohr gave a theory on the basis of