HTET Exam - Level 3 Pgt - Gravitation

How far below the Earth's level will the value of gravitational acceleration be half of the gravitational acceleration on the Earth's surface ? (Radius of…

If the radius of the earth becomes three times, then what should be the change in density so that the value of 'g' does not…

If the radius of the earth were to shrink by 1%, the density remaining constant, the acceleration due to gravity on the surface of the…

A person of mass 60 kg is standing on a spring balance inside a lift. If the lift falls freely downwards, then the reading of…

At a height h above the earth's surface the fractional change in the value of acceleration due to gravity is : [Given R - Radius…

A stone is dropped from a balloon going up with a uniform velocity of 5 m/sec. If the balloon was 50 m high, then the…

The moon would depart from the gravitational field of earth forever, if its speed increased nearly by (in percent) :

Till 2006 there were Nine planets in the solar system. Now their are only Eight planets in the solar system. Out of these planets, which…

$\text{The horizontal range of a projectile is } 4\sqrt{3} \text{ times of its maximum height. What will be the value of its projection angle ?}$

Which term is used for celestial bodies that revolve around the sun in highly elliptical orbit ?