38. What is the approximate maximum value of Quantum DF4, and at what approximate locations does Quantum DF4 have this value?

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

Look at the fourth picture of figure 1, when the Quantum DF represented by the dotted line is at its maximum value (that is, at the peak), the abscissa is about -0.4 and +0.4, and the ordinate is 1.8