MCQEasyJEE Main 2026 · 28 January, Shift 2Young's Modulus, Bulk & Rigidity Modulus

Physics Question from JEE Main 2026 · 28 January, Shift 2

The speed of a longitudinal wave in a metallic bar is 400m/s400 \, \text{m/s}. If the density and Young’s modulus of the bar material increase by 0.5%0.5\% and 1%1\% respectively, then the speed of the wave is changed approximately to _____ m/s\text{m/s}.

  • A

    399399

  • B

    398398

  • C

    402402

  • D

    401401

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