मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Write the Proper Name of the Orbits of Satellites Shown in the Following Figure with Their Height from the Earth’S Surface.

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प्रश्न

Write the proper name of the orbits of satellites shown in the following figure with their height from the earth’s surface.

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उत्तर

a) low earth orbits  height above the earth’s surface: 180 km to 2000 km 
b) Medium earth orbits height above the earth’s surface: 2000 km to 35780 km 12
c) high earth orbits 12 height from the earth’s surface > 35780 km

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2018-2019 (March) Balbharati Model Question Paper Set 3

संबंधित प्रश्‍न

Fill in the blank and explain the statement with reasoning:

 If the height of the orbit of a satellite from the earth surface is increased, the tangential velocity of the satellite will ...... 


Why are geostationary satellites not useful for studies of polar regions?


If the height of a satellite completing one revolution around the earth in T seconds is h1 meter, then what would be the height of a satellite taking  \[2\sqrt{2} T\] seconds for one revolution?


Mahendra and Virat are sitting at a distance of 1 metre from each other. Their masses are 75 kg and 80 kg respectively. What is the gravitational force between them? G = 6.67 x 10-11 Nm2/kg


Name the first artificial satellite sent by Russia in space.


A group of students from COEP Pune sent a small satellite _______ through ISRO in 2016.


Calculate the critical velocity of the satellite to be located at 35780 km above the surface of earth.


What is Medium Earth Orbit?


Distinguish between:

High Earth orbit - Medium Earth orbit.


Observe the figure and write the answers.

  1. Name the outer orbit.
  2. Which satellites revolve in low earth orbits?
  3. Which various orbits are given in the figure?
  4. Give an example of a launch vehicle based on Newton’s third law.

Define orbital velocity.


Why are some satellites called geostationary?


Numerical problem.

Calculate the speed with which a satellite moves if it is at a height of 36,000 km from the Earth’s surface and has an orbital period of 24 hr (Take R = 6370 km) [Hint: Convert hr into seconds before doing calculation]


Write down the formula of orbital velocity.


Geostationary satellites are not useful for studies of the polar region.


Calculate the time taken by a satellite for one revolution revolving at a height of 6400 km above the earth's surface with a velocity of 5.6 km/s.


The height of medium earth orbit above the surface of the earth is ______.


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