NEET Physics Transverse & Longitudinal Waves MCQ Question
What is the speed of a longitudinal wave in a medium with a bulk modulus (B) of 9 × 10^9 N/m² and a density (ρ) of 3 × 10^3 kg/m³?
1732 m/s
3000 m/s
600 m/s
1000 m/s
Correct Answer
Detailed Explanation
The speed of a longitudinal wave is given by v = √(B/ρ). Substituting B = 9 × 10^9 N/m² and ρ = 3 × 10^3 kg/m³ gives v = √(3 × 10^6) = 1732 m/s.
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