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When a light wave travels from one medium to another, which property remains the same?

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Question

When a light wave travels from one medium to another, which property remains the same?

Options

  • Speed

  • Frequency

  • Refractive index

  • Wavelength

MCQ
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Solution

A light wave's frequency remains the same when it enters another medium. Its speed changes, so its wavelength can also change.

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