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Question 6371
NEET Physics · Hard

Mechanical Properties of Solids: Elastic PE MCQ

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Elastic PEHardQuestion 6371

Question

Two wires (same Y, same stress). Wire B has twice the volume. Ratio of elastic PE (A/B):
  1. A
    1/2
    Correct
  2. B
    2
  3. C
    1/4
  4. D
    1

Correct answer

1/2

Explanation

u = σ²/2Y (same for both). PE = u×V. PE_A/PE_B = V_A/V_B = 1/2.

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