A periodic wave travels from one medium to another. Which pair of variables are likely to change in the process?
A velocity and wavelength
B velocity and frequency
C frequency and wavelength
D. frequency and phase
E wavelength and phase

true is the correct answer

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explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."