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17. Which characteristics does not change, when light travels from one medium to another - a) velocity, b)amplitude,c) wavelength, d) frequency

Answer»

Although the speedchangesand wavelengthchanges, the frequency of thelightwill be constant. The frequency, wavelength, and speed are related by: Thechangein speed that occurs whenlight passes from one medium to anotheris responsible for the bending oflight, or refraction, that takes place at an interface

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