Artificial Satellites

Q.

What is an artificial satellite? Name any two artificial satellites launched by our country.

Q.

State five uses of artificial satellites.

Q.

What is a satellite? Name the natural satellite of the Earth.

Q.

Question 4 (d)

A celestial body that revolves around a planet is known as a_________.

Q. The largest natural satellite in our solar system belongs to which planet

Q.

Name the first artificial satellite launched by India.

Q.

Define Natural satellite.

Q.

State two difference between the artificial satellites of the Earth and its natural satellite Moon.

Q. what are applications of artificial satellites?

Q.

What is the name of the first artificial satellite launched into space?

1. Sputnik I
2. EDUSAT
3. IRS
4. INSAT

Q.

Name one natural and one artificial satellite of the Earth.

Q.

Convert $15.6N$ into CGS unit.

Q.

Write the full name of INSAT.

Q. Why does geostationary satellites always have to be on the equator??

Q. What is the full form of IRS ?

Q.

How are the electric needs of an artificial satellite fulfilled?

Q. What is the difference between a planet and a satellite?

Q. ___ was the first Indian satellite.

1. IRS
2. EDUSAT
3. Aryabhata
4. INSAT

Q. Which of the following is true with respect to artificial satellites?

1. Artificial satellites are man made.
2. Artificial satellites are launched from Earth.
3. Artificial satellites revolve much closer than the moon.
4. Artificial satellites revolve much farther than the moon.

Q.

Write the full name of IRS.

Q.

Name the agency responsible for the development of space science programmes in India.

Q.

(a)Though moon is a natural satellite, but it can be used for communication purposes.give reasons.

(b) light travels with a speed of 3×10 power 8 m/s in vaccine. Sunlight takes 8.3 minutes to reach the earth. Calculate the distance between the earth and the sun

Q. According to the law of conservation of momentum, the total momentum of an isolated system is constant.

1. True
2. False

Q.

Which of the following is the use of artificial satellite

Q. Identify the practical applications of the artificial satellites.

1. Weather Forecasting
2. Inter-city transportation.
3. Telecommunication
4. Artificial rains

Q. What are the uses of artificial satellite

Q.

Name the technique of collecting information about the Earth from an orbiting satellite.

Q.

What name is given to the celestial body which revolves around a planet?

Q. A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.​

1. Magnetic force and electrostatic force​
2. Magnetic force and gravitational force​
3. Gravitational force and frictional force​
4. Gravitational force and muscular force​

Q.

Statement 1: Moon is a natural satellite of earth. Statement 2: Man made satellites launched from earth to orbit around it, are known as artificicial satellites, but moon is a naturally occuring celestial body, which revolves around the earth.