1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the horizontal velocity given to a satellite is greater than critical velocity but less than the escape velocity at the height, then the satellite will

A
be lost in space
B
falls on the earth along parabolic path
C
revolve in circular orbit
D
revolve in elliptical orbit
2
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The period of revolution of planet $$\mathrm{A}$$ around the sun is 8 times that of planet $$\mathrm{B}$$. How many times the distance of A from the sun is greater than that of B from the sun?

A
5 times
B
2 times
C
3 times
D
6 times
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite will satellite is increased to four times the previous value, the new time period of the satellite will be

A
20 hours
B
40 hours
C
80 hours
D
10 hours
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A body of mass 'M' and radius 'R', situated on the surface of the earth becomes weightless at its equator when the rotational kinetic energy of the earth reaches a critical value 'K'. The value of 'K' is given by [Assume the earth as a solid sphere, g = gravitational acceleration on the earth's surfacde]

A
$$ \frac{1}{2} \mathrm{MgR} $$
B
$$ \frac{1}{3} \mathrm{MgR} $$
C
$$ \frac{1}{4} \mathrm{MgR} $$
D
$$ \frac{1}{5} \mathrm{MgR} $$
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