JEE Advanced 2020 Physics question
A cubical solid aluminium (bulk modulus GPa) block has an edge length of 1 m on the surface of the earth. It is kept on the floor of a 5 km deep ocean. Taking the average density of water and the acceleration due to gravity to be and , respectively, the change in the edge length of the block in mm is .
Answer: 0.24
Solution
Increase in pressure at the ocean floor: Pa. From the bulk modulus, $ = =
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