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The length of a metal wire is when the tension in it is and is when the tension is . The natural length of wire is
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Verified Answer
The correct answer is:
Let the original length be .
In first case,
Using Hooke's law,
Where, is the displacement.
We have, ... (i)
Similarly, ... (ii)
Solving Equations. (i) and (ii), we get
In first case,
Using Hooke's law,
Where, is the displacement.
We have, ... (i)
Similarly, ... (ii)
Solving Equations. (i) and (ii), we get
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