Question

The length of an iron wire is L and area of corss-section is
A. The increase in length is l on applying the force F on its
two ends. Which of the statement is correct?
(a) Increase in length is inversely proportional to its length
(b) Increase in length is proportional to area of crosssection
(c) Increase in length is inversely proportional to area of
cross-section
(d) Increase in length is proportional to Young's modulus

Answer 1

Answer:

answer ; D (increase in length is proportional to Young's modulus)

Explanation:

I hope this is helpful for you

Answer 2

Answer:

D is the correct answer

length is directly proportional