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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/kg2
Concept: Orbits of Artificial Satellites
Write the importance of artificial satellites in your words.
Concept: Artificial Satellites
Choose and write the correct option.
Which of the following astronauts travelled through space shuttle ‘Discovery’ first time?
Concept: Mars Missions
Write the proper name of the orbits of satellites shown in the following figure with their height from the earth’s surface.
Concept: Orbits of Artificial Satellites
By considering first correlation complete the second correlation:
Hubble telescope: 569 km high from the earth surface
Revolving orbit of Hubble telescope: ______
Concept: Concept of Space Missions
What is meant by space debris?
Concept: Concept of Space Missions
The astronomical object closest to us is _________ in our galaxy.
Concept: Moon Missions
Name the first artificial satellite sent by Russia in space.
Concept: Orbits of Artificial Satellites
If a spacecraft is to be sent to travel to outer space, it must have a minimum velocity of _______.
Concept: Space Missions Away from Earth
A group of students from COEP Pune sent a small satellite _______ through ISRO in 2016.
Concept: Orbits of Artificial Satellites
Find the odd one out and give its explanation.
Concept: Concept of Space Missions
Write scientific reason.
Satellite launch vehicles are used to place satellites in their specific orbits.
Concept: Satellite Launch Vehicles
Why there is need to manage the debris?
Concept: Concept of Space Missions
The functioning of the satellite launch vehicle is based on ______.
Concept: Satellite Launch Vehicles
When a spacecraft is launched into outer space, the velocity attained by it should be greater than the escape velocity.
Concept: Space Missions Away from Earth
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.
Concept: Orbits of Artificial Satellites
The height of medium earth orbit above the surface of the earth is ______.
Concept: Orbits of Artificial Satellites
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.
Concept: Orbits of Artificial Satellites
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: ______ |
Concept: Orbits of Artificial Satellites
Complete the following equations:
Concept: Orbits of Artificial Satellites
