Consider Earth to be a homogeneous sphere. Scientist $A$ goes deep down in a mine and scientist $B$ goes high up in a balloon. The value of $g$ measured by
- A$A$ goes on decreasing and that by $B$ goes on increasing
- B$B$ goes on decreasing and that by $A$ goes on increasing
- CEach decreases at the same rate
- DEach decreases at different rates
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View SolutionWhich graph correctly represents the variation of acceleration due to gravity $(g)$ with radial distance $(r)$ from the centre of the earth (radius of the earth $= R_e$)?
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View SolutionThe radius of the Earth is about $6400 \; km$ and that of Mars is $3200 \; km$. The mass of the Earth is about $10$ times the mass of Mars. An object weighs $200 \; N$ on the surface of the Earth. Its weight on the surface of Mars will be .......... $N$.
MediumAIPMT 1994
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