JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]

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The elastic spring force arises due

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Correct option: C

Both (1) and (2)

Option C (Both (1) and (2)) is correct because the elastic spring force arises from both net attraction and net repulsion between neighboring atoms in the spring.

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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