Gce Model Questions Vol1 2018 Physics Question 26
Practice objective / multiple choice question 26 from the 2018 Gce Model Questions Vol1 Physics examination.
A thin wire of natural length \(L_0 = 0.50\ \text{m}\) and linear mass density at natural length \(\mu_0 = 1.0\times10^{-3}\ \text{kg m}^{-1}\) has a circular cross‑section of area \(A = 1.0\times10^{-6}\ \text{m}^2\). When a tension of \(T = 10\ \text{N}\) is applied, the wire vibrates in its fundamental mode with a frequency of \(f = 50\ \text{Hz}\). Assuming the mass of the wire remains constant and that the extension follows Hooke's law with Young's modulus \(Y\), determine \(Y\) (in \(\text{N m}^{-2}\)).
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About This Question
This is Gce Model Questions Vol1 2018 Physics Question 26. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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