Question: Two solid rods having the same length are made of the same material with circular cross sections. Rod 1 has radius r, and rod 2

Two solid rods having the same length are made of the same material with circular cross sections. Rod 1 has radius r, and rod 2 has radius 2r. If a compressive force F is applied to both rods, their lengths are reduced by ΔL₁ and ΔL₂. Is the ratio ΔL₁/ΔL₂ (a) 4, (b) 2, (c) 1, (d) 1/2, or (e) 1/4?

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