NEET 2014 Physics question
Copper of fixed volume is drawn into wire of length . When this wire is subjected to a constant force , the extension produced in the wire is . Which of the following graphs is a straight line?
Answer: (2)
Solution
Volume is fixed: . Young's modulus , so . Since ,
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account