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1. When the hydrogen electron falls from an unknown higher energy level n=x to a lower energy level n=y, the emitted photon strikes a copper plate, and ejecting an electron with zero velocity. Find the unknown higher and lower energy levels. (Hint: before you start solving for x and y, you need to search for the binding energy for Copper metal). (25 points)

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Answer:

When an electron moves from a lower energy level to a higher energy level, energy is absorbed by the atom. When an electron moves from a higher to a lower energy level, energy is released (often as light). ... Transitions to level n = 1 are too high energy to see (UV)