Question

Under the same load, wire A having length $50 m$ and cross section $25 \times 10^{-5} m ^2$ stretches uniformly by the same amount as another wire $B$ of length $60 m$ and a cross section of $30 \times 10^{-5}$ $m ^2$ stretches The ratio of the Young's modulus of wire $A$ to that of wire $B$ will be :

• A. $1: 4$
• B. $1: 1$
• C. $3=10$
• D. $1: 2$

Answer 1

Answer: (B)

$1: 1$

Answer 2

The correct answer is (B) : 1 : 1