Q78. The Young's modulus of a wire of length L and radius r is Y N/m2. If the length and radius are reduced to L/2 and r/2, then its Young's modulus will bePhysics — Physics of Solids — Question 78 of 123A. Y/2B. YC. 2YD. 4YPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →