Question

(c) twice that on A (d) half that on a
An iron bar of length lcm and cross section A cm-is pulled
by a force of F dynes from ends so as to produce an
elongation Al cm. Which of the following statement is
correct?
(a) Elongation is inversely proportional to length
(b) Elongation is directly proportional to cross section A
(c) Elongation is inversely proportional to cross-section
(d) Elongation is directly proportional to Young's modulus
To wires of equal lengths are made of the same material​

Answer 1

Answer:

B correct answer

Explanation:

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