Warm-Up Exercise 25

Due 10:00 am, Wed, Mar. 2

Physics 123, Winter Semester, 2012

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The photoelectric effect cannot be explained by the wave nature of light. It is strong evidence that light has particle characteristics. But light also exhibits wave characteristics such as diffraction and refraction. How is this possible?

In the movies, you sometimes see an actor looking in a mirror and you can see her face in the mirror. During the filming of such a scene, what does the actor see in the mirror?


In the picture above, the waves are bending backwards near the beach. Explain why this happens.

Was there anything that you didn't understand in the reading assignment? If so, explain.

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