Question

Light travel through water with a speed of 2.25 ×10 8 m/s what is the refractive index of water ​

Answer 1

Answer:

1.33

Explanation:

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Answer 2

Answer:

1.33

Explanation:

$\text{Refractive index of medium} = \frac{\text{Speed of light in vacuum}}{\text{Speed of light in medium}}}\\ \\ \text{Refractive index of water} = \frac{\text{Speed of light in vacuum}}{\text{Speed of light in water}}}\\ \\ \text{Refractive index of water} = \frac{3 \times 10^8}{2.25 \times 10^8}\\ \\ \text{Refractive index of water} = 1.33\\ \\ \boxed{\text{Hence Refractive index of water is 1.33}}$