CBSE Class 11-science Answered
A steel wire has been stretched so that its length increases by 1%. Calculate the frequency of one meter length of the wire. Given Young's modulus for steel = 20x10^10 N/m^2 and density of steel = 7800/Kgm^3
Asked by | 27 Feb, 2012, 10:48: AM
Expert Answer
Y = T/A / (delta L)/L
Y = TL/A ((delta)L)
T = Y A ((delta)L) / L
From this u can calculate.
Answered by | 01 Mar, 2012, 11:06: AM
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