A physical quantity Q is given by `Q=Q_(0)e^(-alphat^(2))` where t is the time and `alpha` is a constant. What is the dimensional formula for `alpha`?

The time dependence of a physical quantity P is given by P = P_(0)e^(-alpha t^(2)) , where alpha is a constant and t is time . Then constant alpha is//has

The time dependence of a physical quantity P is given by P = P_(0)e^(-alpha t^(2)) , where alpha is a constant and t is time . Then constant alpha is//has

The time dependance of a physical quantity P is given by P=P_(0)e^(alphat^(2) where alpha is a constant and t is time. Then constant alpha is :

The time dependence of a physical quantity p is given by p=p_(0)e^(-alpha ^(2)) where alpha is constant and t is time. The constant alpha

The time dependence of a physical quantity P is given by P=P_(0) exp (-alpha t^(2)) , where alpha is a constant and t is time. The constant alpha

The time dependence of a physical quantity P is given by P=P_(0) exp (-alpha t^(2)) , where alpha is a constant and t is time. The constant alpha

The time dependence of a physical quantity P is given by P=P_(0) exp (-alpha t^(2)) , where alpha is a constant and t is time. The constant alpha

The time dependence of a physical quantity P is given by P=P_(0) exp (-alpha t^(2)) , where alpha is a constant and t is time. The constant alpha

Time dependence of a physical quantity P is given by P =P_0 exp(-alpha t^2), where alpha is a constant and t is time. The constant alpha is