Question:medium

Length of rods are \( \ell \) and \(2\ell\) respectively and their Young's modulus are \( \gamma \) and \(2\gamma\) respectively. Given: \[ \ell = 0.314\,\text{m}, \quad R = 0.2\,\text{mm} \,(\text{same}), \quad \gamma = 2\times10^9 \]
Find the total extension \( \Delta \ell \).

Updated On: Apr 5, 2026
  • \(0.4\,\text{mm}\)
  • \(0.1\,\text{mm}\)
  • \(0.2\,\text{mm}\)
  • \(0.3\,\text{mm}\)
Show Solution

The Correct Option is C

Solution and Explanation

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