calculate the speed of light in water of refractive index 4/3.given speed of light in air =3×10^8.
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Answer:
◾️ refractive index = c/v
4/3 = 3x 108 / v
v = 9 x108 / 4
v = 2.25 x108
#hope it help uh.!
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Given:
Refractive Index = 4 / 3
Speed of light in air = 3 * 10⁸ m/s
to find :Speed of light in water.
Formula:
refractive index of water = Speed of light in air / Speed of light in water
Solution:
4 / 3 = 3 * 10⁸ / Speed of light in water
Speed of light in water = 3 * 10⁸ * 3 / 4
Speed of light in water = 2.25 * 10⁸
Thus,
ANSWER:
Speed of light in water is 2.25 * 10⁸ m/s
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