A wire of length 1 m and area of cross section 2 x 10 -6 m 2 is suspended from the top of…
Physics · JEE Main · NTA Exams — Properties of Solids and Liquids
A wire of length 1 m and area of cross section 2 x 10-6 m2 is suspended from the top of a roof at one end and a load of 20 N is applied at the other end. If the length of the wire is increased by 0.5 x 10-4 m, its Young's modulus will be
- 2 x 109 N/m2
- 2 x 1010 N/m2
- 2 x 1011 N/m2
- 2 x 1012 N/m2
Answer
(C) 2 x 10 11 N/m 2
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