1
JEE Main 2025 (Online) 3rd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
$$ \text { Match the LIST-I with LIST-II } $$
| List - I |
List - II |
||
|---|---|---|---|
| A. | $$ \text { Gravitational constant } $$ |
I. | $$ \left[\mathrm{LT}^{-2}\right] $$ |
| B. | $$ \text { Gravitational potential energy } $$ |
II. | $$ \left[\mathrm{L}^2 \mathrm{~T}^{-2}\right] $$ |
| C. | $$ \text { Gravitational potential } $$ |
III. | $$ \left[\mathrm{ML}^2 \mathrm{~T}^{-2}\right] $$ |
| D. | $$ \text { Acceleration due to gravity } $$ |
IV. | $$ \left[\mathrm{M}^{-1} \mathrm{~L}^3 \mathrm{~T}^{-2}\right] $$ |
2
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape velocity in km/s from the planet will be:
3
JEE Main 2025 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
A satellite is launched into a circular orbit of radius ' R ' around the earth. A second satellite is launched into an orbit of radius 1.03 R . The time period of revolution of the second satellite is larger than the first one approximately by
4
JEE Main 2025 (Online) 23rd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
If a satellite orbiting the Earth is 9 times closer to the Earth than the Moon, what is the time period of rotation of the satellite? Given rotational time period of Moon $=27$ days and gravitational attraction between the satellite and the moon is neglected.
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