What electrical potential will the ball acquire
Question: A silver ball is suspended by a string in a vacuum chamber and ultraviolet light of wavelenght 200nm is directed at it. What electrical potential will the ball acquire as a result.
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A metal surface illuminated by 8.5x1014Hz light emits electrons whose maximum energy is 0.52eV. The same surface illuminated by 12.0x1014Hz hight emits electrons whose maximum energy is 1.97eV. From these data find Planck's constant and the work f
What is the effect of a temperature change on a chemical reaction initially at equilibrium? How does the effect differ for an exothermic reaction compared to an endothermic one?
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