For potassium metal, the work function φ (the minimum energy needed to eject an electron from the metal surface) is 3. 68 × 10−19 j. Which is the longest wavelength of the following which could excite photoelectrons?.

Julia went to work for a reputed company. under pressure from upper management to cut costs, she directed line employees to ignore some safety precautions, which increased productivity. which argument of institutional anomie theory does this support? businesses set effective moral examples. businesses resort to illegal means to earn profits. businesses focus on public welfare. businesses fairly distribute profits. businesses employ only legal means to earn profits.