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Question 30804
JEE Physics · Medium

Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Young's Modulus MCQ

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Young's ModulusMediumQuestion 30804

Question

A wire of length L, area A, Young's modulus Y is stretched by force F. Extension ΔL is:
  1. A
    FL/AY
    Correct
  2. B
    FAY/L
  3. C
    YAL/F
  4. D
    FL/(2AY)

Correct answer

FL/AY

Explanation

From Y = FL/(AΔL), extension ΔL = FL/(AY).

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