Search any question & find its solution
Question:
Answered & Verified by Expert
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
Options:
Solution:
2549 Upvotes
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
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.