Mirrors and Lenses
Quiz by marlo pide
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10 questions
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- Q1What type of lens is thicker in the center than at the edges and converges light rays?Flat lensConcave lensConvex lensDiverging lens30s
- Q2What phenomenon occurs when light changes direction as it passes from one medium to another?DiffractionRefractionReflectionDispersion30s
- Q3Which type of mirror always produces a virtual image?Flat mirrorConvex mirrorConcave mirrorPlane mirror30s
- Q4Which property of light allows lenses to magnify objects?ReflectionRefractionConvergenceDivergence30s
- Q5What is the focal point of a lens?The point of maximum brightnessThe edge of the lensThe point where light rays converge or appear to diverge after passing through the lensThe center of the lens30s
- Q6What type of image is formed by a convex lens when the object is located beyond the focal point?Virtual and upright imageReal and upright imageVirtual and inverted imageReal and inverted image30s
- Q7Which lens shape causes parallel light rays to diverge?Biconvex lensConcave lensPlano-convex lensConvex lens30s
- Q8What is the principal axis of a lens?The line that indicates the thickness of the lensThe line that connects the focal pointsThe line that defines the curvature of the lensThe straight line that passes through the center of the lens and is perpendicular to its surface30s
- Q9What effect does a convex mirror have on images?It produces a virtual, upright image that appears smaller than the objectIt produces a real, inverted imageIt produces a real, enlarged imageIt produces a virtual, inverted image30s
- Q10What is the main purpose of a lens in optical devices?To focus or disperse light raysTo filter colorsTo reflect lightTo amplify sound30s