1.

(3) Gases5, The ratio of radii of two wires of same material is2 1. If these wires are stretched by equal force,the ratio of stresses produced in them is

Answer»

Stress = Force / Area of cross section.

Area of cross section depends on square of radius, so the ratio of areas is 4:1

Stress is inversely proportional to area so the ratio of stresses will be 1:4



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