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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A piano string 1.5 m long is made of steel of density 7.7 * 10^3 kg/m^3 and Y = 2 * 10^11 N/m^2. It is maintained at a tension which produces an elastic strain of 1% in the string.

A piano string 1.5 m long is made of steel of density 7.7 * 10^3 kg/m^3 and Y = 2 * 10^11 N/m^2. It is maintained at a tension which produces an elastic strain of 1% in the string.

A piano string 1.5 m long is made of steel of density 7.7 * 10^3 kg/m^3 and Y = 2 * 10^11 N/m^2. It is maintained at a tension which produces an elastic strain of 1% in the string.