Satellites Around the Earth

Q.

The frequency band used in the downlink of satellite communication is

1. $9.5to2.5GHz$

2. $896to901MHz$

3. $3.7to4.2GHz$

4. $840to935MHz$

5. $3.7to4.2MHz$

Q.

The country known as the land of midnight sun

Q. Why don't satellites crash into each other?

1. The orbit in which they revolve is too big, and thus it's rare that the satellite can crash.
2. The researchers launch satellites at different times.
3. The orbit of each satellite is defined with precise calculations by space researchers.
4. If two satellites come closer, the researchers change their path.

Q. Dish in television set receives signals from a satellite moving far above in space.

1. True
2. False

Q.

It is possible to put an artificial satellite into orbit in such a way that it will remain directly over New Delhi

1. True
2. False

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> How many satellites are currently orbiting in space?

1. 2700
2. 3500
3. 4900
4. 5200

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> How many natural satellites does the Earth have?

1. None
2. One
3. Two
4. Twelve

Q. How many natural satellites are revolving around the Earth?

1. 1

Q. What is the path in which the Earth constantly revolves around the sun called?

1. Ellipse
2. Circle
3. Orbit
4. Triangle