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The Time Period of an Earth-satellite in Circular Orbit is Independent

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प्रश्न

The time period of an earth-satellite in circular orbit is independent of

पर्याय

  • the mass of the satellite

  • radius of the orbit

  • none of them

  • both of them.

MCQ
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उत्तर

the mass of the satellite

The time period of an earth-satellite in circular orbit is independent of the mass of the satellite, but depends on the radius of the orbit.

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पाठ 11: Gravitation - MCQ [पृष्ठ २२५]

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एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
पाठ 11 Gravitation
MCQ | Q 10 | पृष्ठ २२५

संबंधित प्रश्‍न

Is it necessary for the plane of the orbit of a satellite to pass through the centre of the earth?


As the earth rotates about its axis, a person living in his house at the equator goes in a circular orbit of radius equal to the radius of the earth. Why does he/she not feel weightless as a satellite passenger does?


A body stretches a spring by a particular length at the earth's surface at the equator. At what height above the south pole will it stretch the same spring by the same length? Assume the earth to be spherical.


A Mars satellite moving in an orbit of radius 9.4 × 103 km takes 27540 s to complete one revolution. Calculate the mass of Mars.


Answer the following question.

Define the binding energy of a satellite.


Draw a labelled diagram to show different trajectories of a satellite depending upon the tangential projection speed.


Derive an expression for the binding energy of a body at rest on the Earth’s surface of a satellite.


Answer the following question in detail.

What is a critical velocity?


Solve the following problem.

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 × 103 km and its mass is 6.4 × 1023 kg.


Solve the following problem.

Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6 × 1024 kg, Radius of the Earth = 6400 km, and the acceleration due to gravity on the surface = 9.8 m/s2.


Solve the following problem.

What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of the Earth?
(Mass of the Earth is 6 × 1024 kg, radius of the Earth = 6400 km and G = 6.67 × 10–11 N m2 kg–2)


The ratio of energy required to raise a satellite of mass 'm' to a height 'h' above the earth's surface of that required to put it into the orbit at same height is ______.

[R = radius of the earth]


Reason of weightlessness in a satellite is ____________.


Show the nature of the following graph for a satellite orbiting the earth. 

  1. KE vs orbital radius R
  2. PE vs orbital radius R
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An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the earth. If the satellite is stopped in its orbit and allowed to fall freely onto the earth, the speed with which it hits the surface ______ km/s.

[g = 9.8 ms-2 and Re = 6400 km]


The ratio of binding energy of a satellite at rest on earth's surface to the binding energy of a satellite of same mass revolving around the earth at a height h above the earth's surface is ______ (R = radius of the earth).


Which of the following is an example of a communication (geostationary) satellite launched by India?


Which of the following is the only natural satellite of the Earth?


A satellite is revolving round the earth with orbital speed ‘V0’. If it stops suddenly, the speed with which it will strike the surface of the earth would be: (V = escape velocity of a particle on earth’s surface)


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