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Topic Question Set

Q 11 :

The speed of a longitudinal wave in a metallic bar is 400 m/s. If the density and Young’s modulus of the bar material are increased by 0.5% and 1%, respectively then the speed of the wave is changed approximately to ________ m/s.   [2026]

  • 401

     

  • 398

     

  • 399

     

  • 402

     

(1)