JEE Main Physics question
A rubber sphere is surrounded by a liquid in a cylindrical container. A massless piston of area floats on the surface of the liquid covering the cross-section of the container completely. When a mass of 10 kg is placed on the surface of the piston to compress the liquid, the fractional decrease in the radius of the sphere is . Find C. (Bulk modulus of rubber , .)
Answer: 6.67
Solution
. $={Δ
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