A) Frequency
B) Wavelength
C) Amplitude
D) Velocity
Correct Answer: A
Solution :
Refraction of light is the phenomenon of change in the path of light/when it goes from one medium to another. The basic cause of refraction is change in the velocity of light in going from one medium to the other. According to first law of refraction whenever light goes from one medium to another, the frequency of light and phase of light do not change. However, the velocity of light and the wavelength of light change.
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