Back to GRAVITATION
JEE PHYSICS MCQ: GRAVITATION
1
Medium
1 of 1
Application
+4 | -1
When a body is lifted from surface of earth at a height equal to radius of earth, then the change in its potential energy is
View answer and explanation
Correct option: C
Option C () is correct because the change in potential energy when lifting a body to a height equal to the Earth's radius is half of .
More Questions from GRAVITATION
Practice All Chapter MCQs →
The escape velocity for a body projected vertically upwards from the surface of the earth is . If the body is projected in a direction making an angle of with the vertical, the escape velocity will be
The escape velocity of a body projected from the surface of earth is . If the body is projected at an angle to the horizontal surface of earth, then the escape velocity would be
If different planets have the same density but different radii, then the acceleration due to gravity on the surface of the planet is related to the radius (R) of the planet as
Which of the following statement is absolutely correct about mass
Statement I: An astronaut in a satellite feels weightlessness:
Statement II: As observed by another astronaut's in the same satellite, force of gravity and centrifugal force balance each other. An iron ball and a wooden ball of the same radius are released from a height 'h' in vacuum. The time taken by both of them to reach the ground is
Statement II: As observed by another astronaut's in the same satellite, force of gravity and centrifugal force balance each other. An iron ball and a wooden ball of the same radius are released from a height 'h' in vacuum. The time taken by both of them to reach the ground is
