PH-454
Refraction
Physics · Secondary 3 · Medium · Refraction
Light travels from air into glass of refractive index 1.50. The angle of incidence in air is 30°. Using Snell’s law, what is the angle of refraction in the glass? (Take refractive index of air as 1.0.)
- 20°
- 30°
- 45°
- 60°
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