Calculate the speed of light in water if refractive index of water is 4/3
Answers
Answered by
1
Answer:
R.I of water = Speed of light in vacuum / speed of light in water
4/3=(3*10^8)/x
x=2.25×10^8 m/s
Answered by
0
Answer:
Speed of light in water = 2.25 x 10^8 m/s
Explanation:
reflective index of water = speed of light (c) / speed of light in water (v_w)
= 4/3
speed of light in water (v_w) = 3 x c/4 => by cross multiplication
v_w = 3 x 3 x 10^8 /4 c = 3 x 10^8
v_w = 9/4 x 10^8
= 2.25 x 10^8 m/s
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