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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 ...... . - Science and Technology 1

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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 1 [English] Standard 10 Maharashtra State Board
पाठ 10 Space Missions
Exercises | Q 1.1 | पृष्ठ १४४

संबंधित प्रश्‍न

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?


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.


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.

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]


What is microgravity?


The orbital velocity of the satellite depends on its ______.


Write down the formula of orbital velocity.


Give scientific reasons.

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


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 ______.


Write the name of small satellite made by a group of students from COEP (College of Engineering, Pune) sent to the space through ISRO in 2016.


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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