Answer True or False for questions 3 - 6. (9 points, 3 points each) If the state

Question

Answer True or False for questions 3 - 6. (9 points, 3 points each) If the statement is False, state why it is False to receive full credit. a. In a photoelectric experiment, the work function depends on the metal, but not the frequency of light. b. For the n = 2 particle - in - a - box stationary state, it is more likely to find the particle in the middle of the box than 1/4 of the way from one wall to the other wall. c. The term ultraviolet catastrophe refers to the inability of classical physics to explain the photoelectric effect.

Explanation / Answer

a) True , The work function is the property of the metal which is being used and doesn't depend on frequency of light .

b) False, Actually in n= 2 state there will be node in the center of the box and the probablity will be high at 1/4 distance from the wall.

c) false, the ultraviolet catastrophe was given for the blackbody not for the photoelectric effect.

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