A thin cylindrical shell of diameter (d), length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to hoop strain is

A. $$\frac{{{\text{m}} - 2}}{{2{\text{m}} - 1}}$$

B. $$\frac{{2{\text{m}} - 1}}{{{\text{m}} - 2}}$$

C. $$\frac{{{\text{m}} - 2}}{{2{\text{m}} + 1}}$$

D. $$\frac{{2{\text{m}} + 1}}{{{\text{m}} - 2}}$$

Answer: Option A