Question

${\tau }_1$, be torque required per unit twist for hallow sphere,${\tau }_2$. be torque required per unit twist for solid, sphere of same radius, same volume and same, material. Then

• A. ${\tau }_1={\tau }_2$
• B. ${\tau }_1<{\tau }_2$
• C. ${\tau }_1>{\tau }_2$
• D. 1 & 2 are correct

Answer 1

Answer: (C)

${\tau }_{follow}>{\tau }_{solid}$