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