1
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
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A body of mass m is placed on earth's surface which is taken from earth surface to a height of h = 3R, then change in gravitational potential energy is
A
$${{mgR} \over 4}$$
B
$${2 \over 3}mgR$$
C
$${3 \over 4}mgR$$
D
$${{mgR} \over 2}$$
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
With what velocity should a particle be projected so that its height becomes equal to radius of earth?
A
$${\left( {{{GM} \over R}} \right)^{1/2}}$$
B
$${\left( {{{8GM} \over R}} \right)^{1/2}}$$
C
$${\left( {{{2GM} \over R}} \right)^{1/2}}$$
D
$${\left( {{{4GM} \over R}} \right)^{1/2}}$$
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
For a planet having mass equal to mass of the earth but radius is one fourth of radius of the earth. Then escape velocity for this planet will be
A
11.2 km/sec
B
22.4 km/sec
C
5.6 km/sec
D
44.8 km/sec.
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