3. “The square of the period of revolution to the planet about the sun is proportional to the cubes of their mean distances from the sun” The above statement is based on :
(a) Newtons law (b) Galileo’s hypothesis (c) Kepler’s law (d) None of the above
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Satellite Orbits » Exercise - 123. When r is the radius of circular orbit of a satellite, then orbital period of the satellite is proportional to : (a) r (b) r^3/2 (c) r^2 (d) r^3
Satellite Orbits » Exercise - 114. The orbital period of a satellite is proportional to : Where r = radius of the circular orbit of satellite (a) r3 (b) r2 (c) r3/2 (d) r
Satellite Orbits » Exercise - 121. A satellite in low circular orbit than a geostationary orbit is known as : (a) Passive satellite (b) Active satellite (c) Fast moving satellite (d) slow moving satellite
Satellite Orbits » Exercise - 124. Geostationary satellites are placed in equatorial orbit at a height of approximately : (a) 1000 km (b) 15000 km (c) 25000 km (d) 36000 km
Introduction to Satellite Communication » Exercise - 143. First geostationary satellite in the world was launched in : (a) 1952 (b) 1965 (c) 1975 (d) 1980