TS EAMCET 2023 (Online) 12th May Evening Shift | Gravitation Question 19 | Physics

The ratio of the radii of two planets is $r$ and the ratio of accelerations due to gravity on the planets is $x$. Then the ratio of the escape velocities from the planets is

$x r$

$\sqrt{\frac{r}{x}}$

$\sqrt{\sqrt{x}}$

$\sqrt{\frac{x}{r}}$

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

A ring has a mass $M$ and radius $R$. The distance of the point on its geometric axis from its centre at which the gravitational field is strongest is

$\frac{R}{2}$

$\frac{R}{4}$

$\frac{R}{\sqrt{3}}$

$\frac{R}{\sqrt{2}}$

TS EAMCET 2022 (Online) 20th July Evening Shift

MCQ (Single Correct Answer)

-0

Statement I The force of attraction due to a hollow spherical shell of uniform density on a point mass situated inside it is always positive.

Statement II The force of attraction between a hollow spherical shell of uniform density and a point mass situated outside is same just as, if the entire mass of the shell is at the centre of the shell.

Which of the following is correct?

Both statement I and statement II are true

Statement I is true, but statement II is false

Statement II is true, but statement I is false

Both statements I and II are false

TS EAMCET 2022 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-0

Let the escape speed of an object on the earth's surface be $v_0$. The object is projected out with speed $5 v_0$. The speed of the object far away from the earth will be

$2 \sqrt{6} v_0$

$4 v_0$

$2 \sqrt{3} v_0$

$3 \sqrt{2} v_0$

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