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The refractive indices of two media, are denoted by n1 and n2, and the velocities of light in these two media are respectively v1 and v2. If n2/n1 is 1.5, which one of the following statements is correct?

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The refractive indices of two media, are denoted by n1 and n2, and the velocities of light in these two media are respectively v1 and v2. If n2/n1 is 1.5, which one of the following statements is correct?






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