In this question we will be applying the knowledge we gained drom the Finite Potential Step to the system below :  (see figure below)  This potential takes the value V = 0eV when x < 0  , the value V = V0 when 0 < x < L  , and the value −V0 when  x > L . A beam of electrons with energy E  is incident upon it from the left .  A ) According to classical physics , what is the probability that electrons with energy E < V0 will make their way past this barrier ? Explain your answer .

Electrons with a speed of 1.4×106 m/sm/s pass through a double-slit apparatus. Interference fringes are detected with a fringe spacing of 2.4 mmmm .     Part A What will the fringe spacing be if the electrons are replaced by neutrons with the same speed? Express your answer in micrometers.         ΔynΔyn = 1.30•10−6 μmμm   SubmitPrevious AnswersRequest Answer  Incorrect; Try Again; 4 attempts remaining Part B What speed must neutrons have to produce interference fringes with a fringe spacing of 2.4 mmmm ? Express your answer in meters per second.

No Spacing Heading 1 Normal Aa v A A 困、 Paragraph Styles The action along a path is defined to be: S = [(K.E.-P. E.) dt Determine the physical units of action. Detail Feynman's approach to calculating the probability amplitude for an electron to go from one event A to another B using the "sum over all paths". A'Focus 12 1> 12

Small particles in the quantum world are... : actually particles, but look like waves       actually waves, even though they look like particles       are both waves and particles at the same time       my brain hurts and I'm taking an L on this one. I'm out.