Easy
Which one of the following statements regarding an artificial satellite of the earth is incorrect?
- AThe orbital velocity depends on the mass of the satellite.
- B$A$ minimum velocity of $8 \, km/s$ is required by a satellite to orbit quite close to the earth.
- CThe period of revolution is large if the radius of its orbit is large.
- DThe height of a geostationary satellite is about $36000 \, km$ from the earth.
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Two satellites of mass $50\,kg$ and $100\,kg$ revolve around the earth in circular orbits of radius $9\,R$ and $16\,R$ respectively,where $R$ is the radius of the earth. The ratio of the speeds of the two satellites will be:
Medium
View SolutionIf the gravitational force between two objects is proportional to $1/R$,where $R$ is the distance between the two objects,then the orbital speed $v$ is proportional to which of the following?
Difficult
View SolutionThe time period of revolution of a satellite orbiting very close to a planet of radius $R$ is $T$. What is the period of revolution around another planet,whose radius is $3R$ but having the same density?
Easy
View SolutionThe height of a geostationary satellite is approximately ........ $km$.
MediumAIIMS 2007
View SolutionThe period of revolution of a satellite is
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