AP EAMCET · PHYSICS · Mechanical Properties of Solids
Two copper wires A and B of lengths in the ratio \(1: 2\) and diameters in the ratio \(3: 2\) are stretched by forces in the ratio \(3: 1\). The ratio of the elastic potential energies stored per unit volume in the wires A and B is
- A \(2: 1\)
- B \(4: 9\)
- C \(16: 9\)
- D \(4: 3\)
Answer & Solution
Correct Answer
(C) \(16: 9\)
Step-by-step Solution
Detailed explanation
\(l_1: l_2=1: 2, d_1: d_2=3: 2, \mathrm{~F}_1: \mathrm{F}_2=3: 1\) The elastic potential energy per unit volume is…
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