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JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]

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

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Correct option: B

Copernicus theory of solar system

Option B (Copernicus theory of solar system) is correct because Copernicus proposed the heliocentric model with the sun at the center.

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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}

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