MCQ Class 10 Science Chapter 10 Human Eye And The Colourful World Advertisement MCQ’s For All Chapters – Science Class 10th 1. The human eye forms an image of an object at itscorneairispupilretinaQuestion 1 of 202. The human eye is approximately ______ in diameter.2.3 cm3.2 cm1.5 cm4.0 cmQuestion 2 of 203. Which part of the human eye controls the amount of light entering it?CorneaRetinaPupilIrisQuestion 3 of 204. The least distance of distinct vision for a young adult with normal vision is about25 m25 cm2.5 cm2.5 mQuestion 4 of 205. The ability of the eye lens to adjust its focal length is calledPresbyopiaMyopiaAccommodationHypermetropiaQuestion 5 of 206. In a normal human eye, the far point is at2.5 m25 cmInfinity50 cmQuestion 6 of 207. Myopia is also known asNear-sightednessFar-sightednessColour blindnessPresbyopiaQuestion 7 of 208. In a myopic eye, the image of a distant object is formedOn the retinaBehind the retinaIn front of the retinaOn the corneaQuestion 8 of 209. Which type of lens is used to correct myopia?Convex lensConcave lensCylindrical lensBifocal lensQuestion 9 of 2010. Hypermetropia is also known asLong-sightednessShort-sightednessColour blindnessCataractQuestion 10 of 2011. The defect of vision where the near point is farther than normal isMyopiaHypermetropiaPresbyopiaAstigmatismQuestion 11 of 2012. Which lens is used to correct hypermetropia?Convex lensConcave lensCylindrical lensPlano-concave lensQuestion 12 of 2013. Presbyopia is caused due toElongation of eyeballWeakening of ciliary musclesExcess curvature of eye lensThick corneaQuestion 13 of 2014. A person suffering from both myopia and hypermetropia needsConvex lensConcave lensCylindrical lensBifocal lensQuestion 14 of 2015. Cataract in the human eye can be treated bySpectaclesMedicinesSurgeryCylindrical lensQuestion 15 of 2016. The splitting of white light into seven colours is calledDispersionScatteringRefractionReflectionQuestion 16 of 2017. The band of coloured components of light is calledSpectrumDispersionRefraction bandTyndall effectQuestion 17 of 2018. In dispersion of light, the colour that bends the least isVioletIndigoBlueRedQuestion 18 of 2019. The colour that bends the most in dispersion isRedVioletYellowOrangeQuestion 19 of 2020. Newton proved that white light is composed ofTwo coloursSeven coloursInfinite coloursOnly red and blueQuestion 20 of 20 Loading...
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