AIPMT 2009 | Gravitation Question 51 | Physics

The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t₁ is the time for the planet to move from C to D and t₂ is the time to move from A to B then

AIPMT 2009 Physics - Gravitation Question 34 English

AIPMT 2009 Physics - Gravitation Question 34 English

t₁ = 4t₂

t₁ = 2t₂

t₁ = t₂

t₁ > t₂

AIPMT 2007

MCQ (Single Correct Answer)

-1

Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁ is four times the mass of S₂. Which one of the following statements is true ?

The potential energies of earth and satellite in the two cases are equal.

S₁ and S₂ are moving with the same speed.

The kinetic energies of the two satellites are equal.

The time period of S₁ is four times that of S₂.

AIPMT 2006

MCQ (Single Correct Answer)

-1

The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is fv, where v is its escape velocity from the surface of the Earth. The value of f is

1/2

$$\sqrt 2 $$

1/$$\sqrt 2 $$

1/3

AIPMT 2005

MCQ (Single Correct Answer)

-1

Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g', then

g' = g/9

g' = 27g

g' = 9g

g' = 3g

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