A
B
C
D
Text Solution
Verified by Experts
MODERN PUBLICATION-Unit Test - Gravitation-Example
- The velocity with which a projectile, must be tired so that it escapes...
Text Solution
|
- The escape velocity of a particle of mass m varies directly as
Text Solution
|
- The escape velocity for a body projected vertically upwards from the s...
Text Solution
|
- The mass of moon is 1/81 of earth's mass and its radius 1/4 of that of...
Text Solution
|
- The escape Velocity from the earth is 11.2 Km/s^-1. The escape Velocit...
Text Solution
|
- There is no atmosphere on the moon, because
Text Solution
|
- A missile is launched with a velocity less than the escape velocity. T...
Text Solution
|
- A satellite S is moving in an elliptical orbit around the earth. The m...
Text Solution
|
- A satellite of the earth is revolving in a circular orbit with a unifo...
Text Solution
|
- Two satellites of masses m1 and m2 (m1 gt m2) are revolving around ear...
Text Solution
|
- If v be the orbital velocity of a satellite in a circular orbit close ...
Text Solution
|
- A satellite is in an orbit around the earth. If its kinetic energy is ...
Text Solution
|
- An 80 kg person is parachuting and is experiencing a downward accelera...
Text Solution
|
- Assertion The stars twinkle, while the planets do not. Reason: The st...
Text Solution
|
- Assertion: A planet is a heavenly body revolving round the sun. Reaso...
Text Solution
|
- Assertion: The comets do not obey Kepler's laws of planetary motion R...
Text Solution
|
- Assertion: The square of the period of revolution of a planet is propo...
Text Solution
|
- Assertion: If the radius of the earth's orbit around the sun were twic...
Text Solution
|
- Assertion: The earth is slowing down and as a result the moon is comin...
Text Solution
|
- Assertion: The length of the day is slowly increasing Reason: The dom...
Text Solution
|