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Question 31302
JEE Physics · Easy

Waves on String: Wave Speed MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Wave SpeedEasyQuestion 31302

Question

Linear mass density μ of a string is:
  1. A
    Total mass / Total length
  2. B
    Mass per unit length
  3. C
    Density × area
  4. D
    All of the above
    Correct

Correct answer

All of the above

Explanation

μ = m/L = ρA where ρ is volume density and A is cross-sectional area. All three expressions give the same quantity.

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