1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The time period of an earth satellite in circular orbit is independent of
A
both the mass and radius of the orbit
B
radius of its orbit
C
the mass of the satellite
D
neither the mass of the satellite nor the radius of its orbit
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Suppose the gravitational force varies inversely as the nth power of distance. Then the time period of a planet in circular orbit of radius $$R$$ around the sun will be proportional to
A
$${R^n}$$
B
$${R^{\left( {{{n - 1} \over 2}} \right)}}$$
C
$${R^{\left( {{{n + 1} \over 2}} \right)}}$$
D
$${R^{\left( {{{n - 2} \over 2}} \right)}}$$
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The time period of satellite of earth is $$5$$ hours. If the separation between the earth and the satellite is increased to $$4$$ times the previous value, the new time period will become
A
$$10$$ hours
B
$$80$$ hours
C
$$40$$ hours
D
$$20$$ hours
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The escape velocity for a body projected vertically upwards from the surface of earth is $$11$$ $$km/s.$$ If the body is projected at an angle of $${45^ \circ }$$ with the vertical, the escape velocity will be
A
$$11\sqrt 2 \,\,km/s$$
B
$$22$$ $$km/s$$
C
$$11$$ $$km/s$$
D
$${{11} \over {\sqrt 2 }}km/s$$
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