A student performs an experiment to determine the Young’s modulus of a wire, exactly long, by Searle’s method. In a particular reading, the student measures the extension in the length of the wire to be with an uncertainty of at a load of exactly . The student also measures the diameter of the wire to be 0.4 mm with an uncertainty of . Take (exact). The Young’s modulus obtained from the reading is |
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a) |
b) |
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c) |
d) |

A student performs an experiment to determine the Young’s modulus of a wire, exactly long, by Searle’s method. In a particular reading, the student measures the extension in the length of the wire to be with an uncertainty of at a load of exactly . The student also measures the diameter of the wire to be 0.4 mm with an uncertainty of . Take (exact). The Young’s modulus obtained from the reading is |
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a) |
b) |
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c) |
d) |

1 Answer

127 votes

Where L = length of the wire elongation of the wire d = diameter of the wire substituting the values, we get |

127 votes

127