Light Travels from Outside a Building to Inside Through a Pane

question 25

Multiple Choice

Light travels from outside a building to inside through a pane of glass.Which of the following is true regarding the phase change upon reflection in the case?

• A)No phase change occurs at either the inside surface or the outside surface of the glass.
• B)A 180^o phase change occurs at both the inside surface and the outside surface.
• C)A 180^o phase change occurs at the inside surface but not at the outside surface.
• D)A 180^o phase change occurs at the outside surface but not at the inside surface.

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