3. Use the WKB approximation to find the energy level of a particle moving in the potential: V(x) = Volx| 4. Use the WKB method to calculate the transmission coefficient for the potential barrier: V(x) = {Va -ax x>0 0 x<0

V (x) = 00, V(x) = 0, x<0,x 2 a 0

The energy of a particle in a one-dimensional trap with zero potential energy in the interior and infinite potential energy at the walls is proportional to (n = quantum number):

Which of the following is/are correct for the equation y(x) dx defined for a particle whose state function is y(x) (11) (iii) This equation gives the probability of the particle with the range x to X₂. This equation applies to the particle moving in any dimension. This equation defines relation between the state function and the probability with the range x; to x₂- (a) Only (1) (b) (ii) and (iii) (c) (i) and (iii) (d) (i) and (ii)