1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The radius of the planet is double that of the earth, but their average densities are same. $\mathrm{V}_{\mathrm{p}}$ and $V_E$ are the escape velocities of planet and earth respectively. If $\frac{V_P}{V_E}=x$, the value of ' $x$ ' is

A
$\frac{1}{4}$
B
$\frac{1}{2}$
C
2
D
4
2
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two satellites A and B having ratio of masses $3: 1$ are revolving in circular orbits of radii ' $r$ ' and ' 4 r '. The ratio of total energy of satellites A to that of B is

A
$1: 3$
B
$3: 1$
C
$3: 4$
D
$12: 1$
3
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The period of a planet around the sun is 8 times that of earth. The ratio of radius of planet's orbit to the radius of the earth's orbit is

A
4
B
8
C
16
D
64
4
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A pendulum is oscillating with frequency ' $n$ ' on the surface of earth. If it is taken to a depth $\frac{R}{4}$ below the surface of earth, new frequency of oscillation of depth $\frac{\mathrm{R}}{4}$ is ( $\mathrm{R}=$ radius of earth)

A
$\frac{2}{\sqrt{3} n}$
B
$\frac{\sqrt{3} n}{2}$
C
  $\frac{2 \mathrm{n}}{\sqrt{3}}$
D
$\frac{\mathrm{n}}{4}$
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