Physics - Optics - Refraction - Laws of refraction (Snell's law) - Refraction Quiz
10 questions. Q1: 'Light entering a denser medium bends...' (Toward the normal). Q2: 'Which property doesn't change during refraction?' (Frequency). Q3: 'Refractive index of vacuum is...' (1). Q4: 'A higher refractive index means light travels...' (Slower). Q5: 'At normal incidence (0°), light...' (