Question

An iron rod of length 2m and cross-sectional area of 50
mm² stretched by 0.5 mm, when a mass of 250 kg is hung
from its lower end. Young’s modulus of iron rod is
(a) 19.6´10²⁰ N/m² (b) 19.6´10¹⁸ N/m²
(c) 19.6´10¹⁰ N/m² (d) 19.6´10¹⁵ N/m²

Answer 1

Your answer is

$19.6 \times {10}^{10} \frac{n}{ {m}^{2} }$

Hope it helps

Answer 2

Answer:

19.6 x 10 10 m/m is the answer