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Physics, 23.04.2020 20:49 122333444469

A beam of light, which is traveling in air, is reflected by a glass surface. Does the reflected beam experience a phase change, and if so, by how much is the phase of the beam changed?
The reflected beam experiences a 180° phase change.
The reflected beam experiences a 40° phase change.
The reflected beam does not experience a phase change.
The reflected beam experiences a 90° phase change.

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A beam of light, which is traveling in air, is reflected by a glass surface. Does the reflected beam...

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