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NEET Physics · Medium

Mechanical Properties of Solids: Young's Modulus MCQ

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Young's ModulusMediumQuestion 6325

Question

For same material, if cross-sectional area doubles (same L, F), the extension:
  1. A
    Doubles
  2. B
    Halves
    Correct
  3. C
    Stays same
  4. D
    Quadruples

Correct answer

Halves

Explanation

ΔL = FL/AY. If A→2A, ΔL → ΔL/2 = halves.

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