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Question 30817
JEE Physics · Hard

Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Moduli Comparison MCQ

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Moduli ComparisonHardQuestion 30817

Question

For a perfectly rigid body, Young's modulus is:
  1. A
    Zero
  2. B
    One
  3. C
    Infinity
    Correct
  4. D
    Negative

Correct answer

Infinity

Explanation

A rigid body shows no deformation for any stress, so strain → 0 and Y = stress/strain → ∞.

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