
Lenses and mirrors
Quiz by Liz Davidson
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30 questions
Show answers
- Q1What type of lens is thicker in the center than at the edges and converges light rays?Diverging lensFlat lensConcave lensConvex lens30s
- Q2What is the main function of a concave mirror?To reflect light uniformlyTo absorb lightTo converge lightTo diverge light30s
- Q3Which type of lens is used in a camera to focus light onto the film or sensor?Bifocal lensFlat lensConvex lensConcave lens30s
- Q4What happens to light rays when they pass through a concave lens?They divergeThey convergeThey reflectThey focus30s
- Q5What is the focal point of a lens or mirror?The point where light is reflectedThe center of the lens or mirrorThe place where light is absorbedThe point where light rays converge or appear to diverge from30s
- Q6Which type of mirror can produce a virtual image that appears larger than the object?Bifocal mirrorConvex mirrorConcave mirrorFlat mirror30s
- Q7What type of lens is used to correct farsightedness (hyperopia)?Convex lensFlat lensConcave lensCylinder lens30s
- Q8What is the primary use of a convex lens in eyeglasses?To change colorsTo magnify imagesTo reduce glareTo reflect images30s
- Q9What is the characteristic of a convex mirror?It produces a virtual, diminished imageIt only reflects lightIt produces a real, enlarged imageIt absorbs all light30s
- Q10What is the purpose of a lens in a magnifying glass?To reduce the brightnessTo enlarge the image of an objectTo filter the lightTo change the color30s
- Q11Which type of lens is thicker in the middle than at the edges and converges light rays?Concave lensConvex lensDiverging lensFlat lens30s
- Q12What type of mirror always produces an upright image, regardless of the distance of the object?Plane mirrorConvex mirrorFlat mirrorConcave mirror30s
- Q13What phenomenon occurs when light rays bend as they pass through a lens?RefractionAbsorptionDiffractionReflection30s
- Q14Which type of mirror can create a larger field of view and is often used in vehicle side mirrors?Concave mirrorConvex mirrorPlane mirrorFlat mirror30s
- Q15What is the focal point of a lens or mirror?The point of reflectionThe point where light rays converge or appear to divergeThe center of the lens or mirrorThe point where light rays are blocked30s