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Question

In a Searle's experiment, the diameter of the wire as measured by a screw gauge of least count 0.1.m, is 110.0 cm, When a weight of 50 N is suspended from the wire, the extension is measured to 0.125 cm by a micrometer of least count 0.001 cmthe maximum error in the measurement of Young's modulus of the material of the wire is....N/m2?

  1. 1.09 cross times 10 to the power of 12
  2. 1.09 cross times 10 to the power of 10
  3. 3.09 cross times 10 to the power of w
  4. 3.09 cross times 10 to the power of 12

The correct answer is: 1.09 cross times 10 to the power of 10

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