A rubber cord 1 m long has a cross-sectional area of 2 cm². A tensile force of 10 N stretches it by 1 cm. What is the Young’s modulus of the rubber?

1. A Option A: 5 × 10⁶ N m⁻²
2. B Option B: 0.2 × 10⁻⁶ N m⁻²
3. C Option C: 2 × 10⁸ N m⁻²
4. D Option D: 0.5 × 10⁻⁶ N m⁻²

Answer checked 11 October 2026 · How we write and check questions