info@clay6.com
logo

Ask Questions, Get Answers

X
 
Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Gravitation
Answer
Comment
Share
Q)

At what height from the ground will the value of 'g' be the same as that in 10 km deep mine below the surface of earth

\[(a)\;20\;km \quad (b)\;10\;km \quad (c)\;15\;km \quad (d)\;5\;km \]

1 Answer

Comment
A)
Need homework help? Click here.
Same changes in value of $'g'$ can be observed at a depth $'x'$ and height $'2x'$
given that the depth $'d'=x=10 km$
$\therefore $ The same change can be observed at a height $2x=20 \;km$
Hence a is the correct answer
Home Ask Homework Questions
...