JEE Physics Practice Question
A cubical solid aluminium (bulk modulus $=-V \frac{d P}{d V}=70 \mathrm{GPa}$ block has an edge length of 1 m on the surface of the earth. It is kept on the floor of a $5 \mathrm{~km}$ deep ocean. Taking the average density of water and the acceleration due to gravity to be $10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$ and $10 \mathrm{~ms}^{-2}$, respectively, what is the change in the edge length of the block in $\mathrm{mm}$?
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