InterviewSolution
Saved Bookmarks
| 1. |
elongationof0.1%inAnsection 10^-6m^2 causes a tension of 100N. Y forthe wire isa wire of cross- |
|
Answer» Let the length be l. Change in Length,∆l= 0.1% of l=0.001l Area of cross section,A= 10⁻⁶m² Tension, T=100N Y=F.l/(A.∆l)= 100×l/(10⁻⁶×0.001l) => Y=10¹¹ N/m² |
|