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

Write functions of Military satellite and Navigational satellite.

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प्रश्न

Write functions of Military satellite and Navigational satellite.

टीपा लिहा
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उत्तर

  1. Military satellite: These satellites collect information for security aspects of the nation.
  2. Navigational satellite: These satellites help in locating any place on earth’s surface by fixing the location in terms of its precise latitude and longitude.
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पाठ 10: Space Missions - Answer the Following

संबंधित प्रश्‍न

Complete the following table.


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?


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.


The function of a satellite launcher is based on Newton's second law of motion.


What is Medium Earth Orbit?


Distinguish between:

High Earth orbit - Medium Earth orbit.


Define orbital velocity.


Write a note on orbital velocity


How is a satellite maintained in nearly circular orbit?


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]


Numerical problem.

At an orbital height of 400 km, find the orbital period of the satellite.


What is microgravity?


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 orbit of a satellite is exactly 35780 km above the earth's surface and its tangential velocity is 3.08 km/s.

How much time the satellite will take to complete one revolution around the earth?

(Radius of earth = 6400 km.)


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