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NEET Physics · Medium

Mechanical Properties of Solids: Hooke's Law MCQ

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Hooke's LawMediumQuestion 6310

Question

Spring constant k of a wire (Y, A, L) is:
  1. A
    YL/A
  2. B
    YA/L
    Correct
  3. C
    YA×L
  4. D
    Y/(AL)

Correct answer

YA/L

Explanation

F = YA×ΔL/L = k×ΔL. k = YA/L.

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