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In case of an orbiting satellite, if the...

In case of an orbiting satellite, if the radius of orbit is decreased, then
(a) its KE decreases
(b) its PE decreases
(c) its mechanical energy decreases

A

only a & b are true

B

only b & c are true

C

only a & c are true

D

all a, b & c are true

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The correct Answer is:
B
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AAKASH SERIES-GRAVITATION-Exercise-I
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  3. In case of an orbiting satellite, if the radius of orbit is decreased,...

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  4. Let V,T,L,K and r denote the speed, time period, angular momentum, kin...

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  5. Assume that earth is a spherical planet of uniform density rho, radius...

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  6. The acceleration due to gravity on moon is only one sixth that on eart...

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  7. If a body is projected with speed less than escape velocity, then (a...

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  8. Two spherical planets have the same mass but densities in the ratio 1:...

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  9. Below are four equations expressing relationships between physical qua...

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  10. An orbiting satellit.e will escape if ( a) its speed increases by 41...

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  11. An object is weighed at the North Pole by a beam balance and a spring ...

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  12. Three point masses are at the corners of an equilateral triangle of si...

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  13. For a planet moving around the sun in an elliptical orbit, which of th...

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  14. If a satellite orbits as close to the earth.s surface as possible, (...

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  15. For a satellite to orbit around the earth, which of the following must...

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  16. A satellite close to the earth is in orbit above the equator with a pe...

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  17. For a satellite to be geostationary, which of the following are essent...

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  18. A small mass m is moved slowly from the surface of the earth to a heig...

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  19. A solid sphere of uniform density and radius 4 units is located with i...

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  20. Let V and E be the gravitational potential and gravitational field at ...

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