
Vocabular Starter - Refraction and Lenses
Quiz by Christiaan Heunis
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8 questions
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- Q1What type of lens is thicker in the middle than at the edges and converges light rays?Plane lensConvex lensConcave lensBiconcave lens30s
- Q2What term describes the bending of light as it passes from one medium to another?AbsorptionRefractionDiffractionReflection30s
- Q3Which part of a lens determines how much it will bend light?ColorThicknessCurvatureMaterial30s
- Q4What is the term for the point where parallel light rays converge after passing through a convex lens?Principal axisOptical centerFocal pointImage distance30s
- Q5What happens to light rays when they pass through a concave lens?They divergeThey convergeThey reflectThey split30s
- Q6What is the term used to describe the distance between the lens and the focal point?MagnificationFocal lengthImage distanceRefraction index30s
- Q7Which type of lens is thinner in the center than at the edges and causes light rays to spread out?Concave lensPlano-convex lensConvex lensBiconvex lens30s
- Q8What type of image is formed by a convex lens when the object is placed beyond the focal point?Real and uprightVirtual and invertedVirtual and uprightReal and inverted30s