1) a beam of light has a wavelength of 650nm in vacuum.
a) what is the speed of this light in a liquid whose refractive
index at this wavelength is 1.47 ( ans: 1.55)
b) what is the wavelength of these waves in liquid (ans:
549)
i made use of these two formulas
- v=c/n
- v=f(lumda)
but i still cant get the answer. ): any help would be greatly
appreciated. i suck at physics.