Advertisements
Advertisements
प्रश्न
Write scientific reason.
The Launch vehicles are very costly.
Advertisements
उत्तर
- The launch vehicles can be used only once.
- Hence, launch vehicles are costly.
APPEARS IN
संबंधित प्रश्न
Fill in the blank and explain the statement with reasoning:
The initial velocity (during launching) of the Managalyaan, must be greater than ______ of the earth.
State with reasons whether the sentence is true or false.
If a spacecraft has to be sent away from the influence of earth’s gravitational field, its velocity must be less than the escape velocity.
State with reason 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.
In which direction do these things fall?
Leaves, flowers, fruits from a tree.
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.
Explain:
Escape velocity on the moon is less than escape velocity on the earth.
Write the names of India's satellite series and launchers?
Which of the following is the working principle of Rockets?
Name the principle which is used in rocket propulsion.
Explain the launching of a satellite in a particular orbit.
What is meant by a satellite launch vehicle?
Name any one Indian satellite launch vehicle.
