JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]

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The unification of electromagnetism and optics leads to the

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Correct option: D

discovery of light as an electromagnetic wave

Option D is correct because Maxwell's equations unified electromagnetism and optics, leading to the understanding that light is an electromagnetic wave.

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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