A block of weight 100 N is suspended by copper and steel wires of same cross sectional area 0.5 cm² and,length √3 m and 1 m, respectively. Their other ends are fixed on a ceiling as shown in figure. The angles subtended by copper and steel wires with ceiling are 30° and 60°, respectively. If elongation in copper wire is (∆ℓᴄ) and elongation in steel wire is (∆ℓs), then the ratio ∆ℓᴄ/∆ℓs is ______
[Young’s modulus for copper and steel are 1 × 10¹¹ N/m² and 2 × 10¹¹ N/m²,respectively.]
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