Physics Physics Mcqs
Q A uniform steel wire of length 4m and area of cross-section 3×10-6m2 is extended by 1mm by the application of a force. If the youngs modulus of steel is 2×1011 Nm-2 the energy stored in the wire is___________________?
  • A A. 0.025j
  • B B. 0.50j
  • C C. 0.75j
  • D D. 0.100j
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