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In order for refraction to occur, at least ________ mediums are needed. a. 2 c. 4 b. 3 d. none of the above
In order for refraction to occur, at least 2 mediums are needed.
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Asked 5/29/2014 3:35:54 PM
Updated 5/29/2014 8:22:47 PM
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In order for refraction to occur, at least 2 mediums are needed.
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Added 5/29/2014 8:22:47 PM
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ALL OF THE ABOVE. The net magnetic force on a charged particle equal to zero: when the particle is stationary, when the particle is moving parallel to the magnetic field and when the particle is not charged.

Added 7/10/2018 12:35:22 PM
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When red light and green light shine on the same place on a piece of white paper, the spot appears to be YELLOW.

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Coherence is the property by which two waves with identical wavelengths maintain a constant a. amplitude. c. phase relationship. b. frequency. d. speed.
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Updated 5/29/2014 4:03:18 PM
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Coherence is the property by which two waves with identical wavelengths maintain a constant PHASE RELATIONSHIP.

Added 5/29/2014 4:03:18 PM
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