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प्रश्न
State with reasons whether the sentence is true or false .
If the height of the orbit of a satellite increases, its velocity must also increase.
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उत्तर
The specific velocity with which the satellite revolves around a planet is known as critical velocity. It is given as
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संबंधित प्रश्न
State with reasons whether the sentence is true or false .
The escape velocity on the moon is less than that on the earth.
State with reasons whether the sentence is true or false .
A satellite needs a specific velocity to revolve in a specific orbit.
What is meant by satellite launch vehicles? Explain a satellite launch vehicle developed by ISRO with the help of a schematic diagram.
In which direction do these things fall?
Leaves, flowers, fruits from a tree.
In which direction do these things fall?
Rocks that come loose from a hillside.
In which direction do these things fall?
Rain falling from the sky.
The escape velocity on the moon is less than that on the earth.
Write scientific reason.
Satellite launch vehicles are used to place satellites in their specific orbits.
Write scientific reason.
The Launch vehicles are very costly.
Explain:
Escape velocity on the moon is less than escape velocity on the earth.
Which of the following is the working principle of Rockets?
PSLV and GSLV are India’s popular satellites.
Name the principle which is used in rocket propulsion.
What is meant by a satellite launch vehicle?
Name any one Indian satellite launch vehicle.
