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NCERT BANGLISH-GRAVITATION-EXERCISES
- You can shled a charge from electrical forces by putting it inside a h...
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- An astronaut inside a small space ship orbiting around the earth canno...
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- If you compare the gravitational force on the earth due to the sun to ...
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- Acceleration due to gravity increases/decreases with increasing altitu...
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- Acceleration due to gravity increases/decreases with increasing depth ...
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- Acceleration due to gravity is independent of mass of the earth/mass o...
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- The formula –GMm(1/r(2) – 1/r(1)) is more/less accurate than the form...
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- Suppose there existed a planet that went around the Sun twice as fast ...
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- Io, one of the satellites of Jupiter, has an orbital period of 1.769 d...
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- Let us assume that our galaxy consists of 2.5 xx 10^(11) stars each of...
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- If the zero of potential energy is at infinity, the total energy of an...
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- The energy required to launch an orbiting satellite out of earth’s gra...
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- Does the escape speed of a body from the earth depend on (a) the mass ...
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- A comet orbits the sun in a highly elliptical orbit. Does the comet ha...
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- Which of the following symptoms is likely to afflict an astronaut in s...
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- For the above problem, the direction of the gravitational intensity at...
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- A rocket is fired from the earth towards the sun. At what distance fro...
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- How will you ‘weigh the sun’, that is estimate its mass? The mean orbi...
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- A Saturn year is 29.5 times the earth year. How far is the Saturn from...
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- A body weighs 63 N on the surface of the earth. What is the gravitatio...
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