Lenses thin and thick ones
Quiz by nadine diab
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13 questions
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- Q1Which type of lens is thinner at the edges and thicker in the center?Convex lensConcave lensDouble convex lensPlano-convex lens30s
- Q2Which type of lens is thicker at the edges and thinner in the center?Plano-concave lensConcave lensConvex lensDouble concave lens30s
- Q3Which type of lens is used in a magnifying glass?Convex lensDouble convex lensPlano-convex lensConcave lens30s
- Q4Which type of lens is used in a peephole?Double concave lensPlano-convex lensPlano-concave lensDouble convex lens30s
- Q5Which type of lens is used in a camera?Double convex lensConvex lensConcave lensPlano-convex lens30s
- Q6Which type of lens is used to correct nearsightedness?Convex lensConcave lensDouble concave lensPlano-concave lens30s
- Q7Which type of lens is used to correct farsightedness?Convex lensPlano-convex lensDouble convex lensConcave lens30s
- Q8What type of lens is a converging lens?Bifocal lensAspheric lensConvex lensConcave lens30s
- Q9What is the name of the point at which light rays converge after passing through a converging lens?Optical centerVertexApertureFocal point30s
- Q10What is the focal length of a converging lens?The distance between the center of the lens and the focal pointThe thickness of the lensThe distance between the two lenses in a telescopeThe distance between the object and the lens30s
- Q11What is a diverging lens?A lens that does not affect the direction of light raysA lens that is only used in photographyA lens that causes parallel rays of light to convergeA lens that causes parallel rays of light to diverge30s
- Q12What type of image is formed by a diverging lens?EnlargedVirtualInvertedReal30s
- Q13What is the shape of a diverging lens?Thick at the center and thin at the edgesThin at the center and thick at the edgesIrregularSymmetrical30s