Question
On applying a stress of 20 x 10⁸ N / m² the length of a perfectly elastic wire is doubled. Its Young’s modulus will be
Options :
40 x 10⁸ N / m²
20 x 10⁸ N / m²
10 x 10⁸ N / m²
5 x 10⁸ N / m²
Answer :
20 x 10⁸ N / m²
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