Physics-Transverse & Longitudinal Waves
NEET Physics Transverse & Longitudinal Waves MCQ Question
Type: MCQ-numerical-Easy-Class 11
What is the speed of longitudinal waves in a medium where the bulk modulus is 2.5 x 10^9 N/m² and the density is 2500 kg/m³?
A
1000 m/s
B
500 m/s
C
2000 m/s
D
2500 m/s
Correct Answer
Option A
Detailed Explanation
Using v = sqrt(B/ρ) for longitudinal waves, where B is bulk modulus and ρ is density. Substituting B = 2.5 x 10^9 N/m² and ρ = 2500 kg/m³ gives v = sqrt(2.5 x 10^9 / 2500) = 1000 m/s.
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