Physics · Light - Reflection and Refraction

A ray of light is incident on an interface separating medium A (air) and medium B. The angle of incidence in medium A is 45° and the angle of refraction in medium B is 30°. What is the refractive index of medium B?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

11 2√2
2√2✓
31 √2
42√2

Correct answer

√2

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A ray of light is incident on an interface separating medium A (air) and medium B. The angle of incidence in medium A is 45° and the angle of refraction in medium B is 30°. What is the refractive index of medium B?

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A ray of light is incident on an interface separating medium A (air) and medium B. The angle of incidence in medium A is 45&deg; and the angle of refraction in medium B is 30&deg;. What is the refractive index of medium B?

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A ray of light is incident on an interface separating medium A (air) and medium B. The angle of incidence in medium A is 45° and the angle of refraction in medium B is 30°. What is the refractive index of medium B?