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PhysicsElasticityMiscellaneousEasy2 minPYQ_2020
PhysicsEasynumerical

A cubical solid aluminumbulk modulus=-VdPdV=70 GPablock has an edge length of1 mon the surface of the earth. It is kept on the floor of a5 kmdeep ocean. Taking the average density of water and the acceleration due to gravity to be103 kg m-3and10 m s-2, respectively, the change in the edge length of the block inmmis ________.

Answer:
0.24
Solution:

B=P-dVV dVV=-PB 3d=PB

d=-PB3=103kgm3×10 ms2×5×10370×109×1 m3

d=0.238×10-3

d=0.238 mm

=0.24

Stream:JEE_ADVSubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous
2mℹ️ Source: PYQ_2020

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