The time dependence of a physical quantity p is givers by \(p_{0} e^{-\alpha t^{2}}\) = P, where α is a constant and t is time. The constant α is _______
A. a dimensionless
B. has the dimension of T2
C. has the dimension as that of P
D. has the dimension equal to dimensions of PT-2
Answer:A
The time dependence of a physical quantity p is givers by \(p_{0} e^{-\alpha t^{2}}\) = P, where α is a constant and t is time. The constant α is _______
A. a dimensionless B. has the dimension of T2 C. has the dimension as that of P D. has the dimension equal to dimensions of PT-2