Question

- In the determination of Young's modulus by using Searle's method, a wire of length L = 2m and diameter d = 0.5 mm is used. For a load M = 2.5 kg, an
extension 1 = 0.25 mm in the length of the wire is observed. Quantities d and I are measured using a screw gauge and a micrometre respectively. They
have the same pitch of 0.5 mm. The number of division on their circular scale is 100. The length of wire, acceleration due to gravity and mass M are
known exactly. The percentage error in measurement of the Young's modulus is​

Answer 1

Explanation:

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