Light and optics
Quiz by Virgil Perez Samonte
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20 questions
Show answers
- Q1What is the speed of light in a vacuum?30,000 m/s299,792,458 m/s3,000,000 m/s299,792,458 km/h30s
- Q2Which color has the longest wavelength?GreenBlueYellowRed30s
- Q3What type of lens converges light?BiconvexConcaveConvexPlano30s
- Q4What do we call the bending of light when it passes from one medium to another?DiffractionRefractionInterferenceReflection30s
- Q5What is the SI unit of luminous flux?LumenCandelaLuxWatt30s
- Q6What is the law of reflection?The angle of incidence is less than the angle of reflectionThe angle of incidence is greater than the angle of reflectionLight does not reflectThe angle of incidence is equal to the angle of reflection30s
- Q7Which part of the eye is responsible for focusing incoming light?CorneaIrisRetinaLens30s
- Q8What do we call the phenomenon when two waves have the same frequency and amplitude, and are in phase?ReflectionDiffractionDestructive interferenceConstructive interference30s
- Q9What is the unit of power of a lens?WattCandelaLuxDiopter30s
- Q10What do we call the angle between the incident ray and the normal to a surface?Angle of refractionAngle of diffractionAngle of reflectionAngle of incidence30s
- Q11What is the name of the phenomenon where light bends as it passes from one medium to another?DiffractionReflectionAbsorptionRefraction30s
- Q12What is the unit of measurement for the amount of light that passes through a surface?CandelaWattLumenLux30s
- Q13What is the name of the device used to split white light into its component colors?LensPrismFilterMirror30s
- Q14What is the color of light with a wavelength of 700 nanometers?RedYellowGreenBlue30s
- Q15What is the name of the device that produces coherent light?LEDFluorescent lampHalogen lampLaser30s