For a solid rod, Young's modulus is 3.2 × 10¹¹ N m⁻² and density is 8 × 10³ kg m⁻³. The velocity of longitudinal wave in the rod will be:
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For a solid rod, Young's modulus is 3.2 × 10¹¹ N m⁻² and density is 8 × 10³ kg m⁻³. The velocity of longitudinal wave in the rod will be:

G1 Physics · Accepted Answer

Longitudinal wave speed v = √(Y/ρ) = √[(3.2×10¹¹)/(8×10³)] = √(4×10⁷) ≈ 6.32×10³ m s⁻¹.