What is a Geotstationary Satellite? State an essential feature of it.

What is a geostationary satellite? Is it same as geo-synchronous satellite?

Write the main characterisitics of geostationary satellite and polar satellite.

As you have learnt in the text, a geostationary satellite orbits the earth at a height of nearly 36,000 km from the surface of the earth. What is the potential due to earth’s gravity at the site of this satellite? (Take the potential energy at infinity to be zero). Mass of the earth = 6.0 xx 10^24 kg, radius = 6400 km

What is artificial satellite?

Explain Essential amino acids.

State an essential requirement for doping process.

Why is friction essential ?

List the salient feature of heat radiations

What is demodulation? Why is satellite communication necessary for TV signal?