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An incident ray of light strikes water at an angle of 30°. The index of refraction of air is 1.0003, and the index of refraction of water is 1.33.

What is the angle of refraction rounded to the nearest whole number?

22°
24°
30°
42°

Answer :

Answer: It’s A

Explanation:

22 degrees

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The angle of refraction rounded to the nearest whole number is 22°.

What is refraction?

It is the phenomenon of bending of light when it travels from one medium to another medium. The bending towards or away from the normal depends upon the medium of travel as well as the refractive index of the material.

By using Snell's law,

n₁sin(θ₁) = n₂sin(θ₂)

Where n is the refractive index and  θ represents angles

Substituting the respective values given into the equation:

1.0003 * sin(30°) = 1.33 * sin(θ₂)

θ₂= 22°

The angle of refraction rounded to the nearest whole number would be 22°.

Learn more about refraction

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