MHT CET 2025 20th April Evening Shift | Gravitation Question 11 | Physics

The time period of a satellite of earth is 24 hours. If the separation between the earth and the satellite is decreased to one fourth of the previous value then its new time period will become

3 hours

6 hours

24 hours

12 hours

MHT CET 2025 20th April Morning Shift

MCQ (Single Correct Answer)

-0

A body is projected vertically from earth's surface with $\left(\frac{1}{3}\right)^{\mathrm{rd}}$ of escape velocity. The maximum height reached by the body is ( $R=$ radius of earth)

$\frac{\mathrm{R}}{4}$

$\frac{\mathrm{R}}{8}$

$\frac{R}{9}$

$\frac{R}{6}$

MHT CET 2025 19th April Evening Shift

MCQ (Single Correct Answer)

-0

The escape velocity of a satellite from the surface of earth does NOT depend on

mass of the earth.

mass of the object to be projected.

radius of the earth.

gravitational constant.

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

Two particles of equal mass ' $m$ ' move in a circle of radius ' $r$ ' under the action of their mutual gravitational attraction. The speed of each particle will be ( $\mathrm{G}=$ Universal gravitational constant)

$\sqrt{\frac{\mathrm{Gm}}{4 \mathrm{r}}}$

$\sqrt{\frac{\mathrm{Gm}}{\mathrm{r}}}$

$\sqrt{\frac{\mathrm{Gm}}{2\mathrm{r}}}$

$\sqrt{\frac{4 \mathrm{Gm}}{\mathrm{r}}}$

PREVIOUS NEXT

MHT CET Subjects