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The modulus of elasticity is dimensiona...

The modulus of elasticity is dimensionally equivalents to :

A

strain

B

force

C

stress

D

surface tensions

Text Solution

Verified by Experts

The correct Answer is:
C
Let depth of lake is x cm.
` " " P_1V_1= P_2V_2`
` (pdg+ xdg) ((4)/(3) pi r^(3))= Pdg [(4)/(3) pi (2r)^(3) ]`
` " " (P+x) r^(3)= P(8r^(3)) `
` " " x= 8P- P `
`rArr " " x= 7p `
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