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JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]

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Forces acting on microscopic domain are

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Correct option: D

All of these

Option D (All of these) is correct because electric, magnetic, and nuclear forces all play significant roles at the microscopic level.

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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