UPSC Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Force of Gravity, Solids and Fluids

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    Directions (Q.9) : Each of these questions contain two statements, Assertion and Reason. Each of these  questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below.
    Assertion: The tidal waves in sea are primarily due to the gravitational effect of earth.
    Reason: The intensity of gravitational field of earth is maximum at the surface of earth.

    A) Assertion is correct, reason is correct; reason is a correct explanation for assertion.

    B) Assertion is correct, reason is correct; reason is not a correct explanation for assertion

    C) Assertion is correct, reason is incorrect

    D) Assertion is incorrect, reason is correct.

    Correct Answer: D


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