JEE PHYSICS MCQ: GRAVITATION

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The correct option is

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Correct option: B

The time taken in travelling

DAB\;

is greater than that for

BCD

Option B is correct because, according to Kepler's third law, the time taken to travel a path is proportional to the distance from the sun, making DAB longer than BCD.

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The escape velocity for a body projected vertically upwards from the surface of the earth is

11.2\mathrm{\;\;km}{\mathrm{s}^{ - 1}}

. If the body is projected in a direction making an angle of

{45^0}

with the vertical, the escape velocity will be The escape velocity of a body projected from the surface of earth is

v_e

. If the body is projected at an angle

\theta

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