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Suppose universal gravitational constant...

Suppose universal gravitational constant starts to decrease, then
a) length of the year will increase
b) earth will follow a spiral path of decreasing order
c) kinetic energy of earth will decrease

A

only a and b are true

B

only a and c are true

C

only b and c are true

D

all are true

Text Solution

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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