1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
A
1/2
B
1/$$\sqrt 2 $$
C
2
D
$$\sqrt 2 $$
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The density of a newly discovered planet is twice that of earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R, the radius of the planet would be
A
2R
B
4R
C
$${1 \over 4}$$R
D
$${1 \over 2}$$R
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be
A
3 F
B
F
C
F/3
D
F/9
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2 m on the surface of A. What is the height of jump by the same person on the planet B?
A
(2/9) m
B
18 m
C
6 m
D
(2/3) m
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