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JEE PHYSICS MCQ: PHYSICAL WORLD [Dont Select]
1
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Understanding
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Consider the following statements and select the correct statement(s).
I. Optics deal with the phenomena involving light.
II. Unification means physical phenomena in terms of few concepts and laws.
III. Macroscopic domain of Physics deals with the constitution and structure of matter at the minute scales of atoms and nuclei.
IV. Mechanics deals with motion of rigid bodies.
I. Optics deal with the phenomena involving light.
II. Unification means physical phenomena in terms of few concepts and laws.
III. Macroscopic domain of Physics deals with the constitution and structure of matter at the minute scales of atoms and nuclei.
IV. Mechanics deals with motion of rigid bodies.
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Correct option: A
I and IV
Option A (I and IV) is correct because Optics deals with light phenomena, and Mechanics deals with the motion of rigid bodies.
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Which of the following statement is correct?
Gravitational force dominates in terrestrial phenomena because
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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 and electric force The theory of solar system, in which the sun occupies the central position, is known as
Reason: For gravitational force and electric force The theory of solar system, in which the sun occupies the central position, is known as