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Questions and Answers
What is the approximate height above the earth's surface at which polar satellites revolve?
What is the approximate height above the earth's surface at which polar satellites revolve?
approximately 800 km
What is the formula to calculate the orbital velocity of a satellite?
What is the formula to calculate the orbital velocity of a satellite?
𝑉0 = √𝑔𝑅
What is the relationship between escape velocity and orbital velocity?
What is the relationship between escape velocity and orbital velocity?
Escape velocity is √2 times the orbital velocity.
What is the time period of a satellite that is near the earth's surface?
What is the time period of a satellite that is near the earth's surface?
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What is the purpose of communication satellites like geostationary satellites?
What is the purpose of communication satellites like geostationary satellites?
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What are the names of the launching vehicles used to launch satellites into space?
What are the names of the launching vehicles used to launch satellites into space?
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What does a tangent drawn at any point of a magnetic line of force represent?
What does a tangent drawn at any point of a magnetic line of force represent?
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What is the unit of magnetic flux?
What is the unit of magnetic flux?
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What is the function of the Earth's magnetic field in relation to charged particles from space?
What is the function of the Earth's magnetic field in relation to charged particles from space?
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What is a magnetic storm, and what is its possible cause?
What is a magnetic storm, and what is its possible cause?
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What is the purpose of a moving coil galvanometer, and how does it work?
What is the purpose of a moving coil galvanometer, and how does it work?
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How can a galvanometer be converted into an ammeter?
How can a galvanometer be converted into an ammeter?
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What are physical quantities that do not depend on other physical quantities called?
What are physical quantities that do not depend on other physical quantities called?
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What is the unit of a physical quantity?
What is the unit of a physical quantity?
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What are the units defined for fundamental quantities called?
What are the units defined for fundamental quantities called?
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What are the units defined for derived quantities called?
What are the units defined for derived quantities called?
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What is an example of a fundamental quantity?
What is an example of a fundamental quantity?
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What is an example of a derived quantity?
What is an example of a derived quantity?
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