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

Write functions of Military satellite and Navigational satellite. - Science and Technology 1

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प्रश्न

Write functions of Military satellite and Navigational satellite.

टीपा लिहा

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

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 ...... 


Complete the following table.


Solve the problem.

How much time a satellite in an orbit at height 35780 km above earth's surface would take, if the mass of the earth would have been four times its original mass?


Considering first correlation, complete the second.
Hubble telescope : At 569 km above the earth’s surface
Orbit of Hubble telescope : .............................


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


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


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.


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


Note the relationship between the entries in all the three columns in the table and rewrite the table.

Column-1
(Location)
Column-2
Height from the earth’s surface (km)
Column-3
g (m/s2)
Earth’s surface (average) 8.8 0.225
Mount Everest 36.6 9.81
Maximum height ever reached by manmade balloon 400 9.8
Orbit of a typical weather satellite 35700 9.77
Orbit of communication satellite 0 8.7

How is a satellite maintained in nearly circular orbit?


Numerical problem.

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


What is microgravity?


The orbital velocity of the satellite depends on its ______.


Write down the formula of orbital velocity.


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.


Complete the Following table.

Sr. no. Type of Satellite The names of Indian Satellite and launcher
(1) Navigational Satellite Satellite: ______
Launcher: ______
(2) Earth Observation Satellite Satellite: ______
Launcher: ______

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