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

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 ...... .

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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 ...... 

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उत्तर

 If the height of the orbit of a satellite from the earth surface is increased, the tangential velocity of the satellite will decrease.
Explanation: This can be easily inferred from the formula of critical or tangential velocity.

\[v_c = \sqrt{\frac{GM}{R + h}}\]
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पाठ 10: Space Missions - Exercises [पृष्ठ १४४]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 10 Space Missions
Exercises | Q 1.1 | पृष्ठ १४४

संबंधित प्रश्‍न

Answer the question:

What is meant by the orbit of a satellite? On what basis and how are the orbits of artificial satellites classified?


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?


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.


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.


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


How is a satellite maintained in nearly circular orbit?


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.


The orbital velocity of the satellite depends on its ______.


Give scientific reasons.

The geostationary satellite is not useful in the study of polar regions.


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: ______

Complete the following equations:


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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