MCQ Class 10 Science Chapter 10 The Human Eye And The Colourful World Advertisement MCQ’s For All Chapters – Science Class 10th 1. A rainbow is formed due toRefraction onlyReflection onlyRefraction, dispersion, and internal reflectionScattering onlyQuestion 1 of 152. A rainbow is always formed in a directionTowards the SunOpposite to the SunAt right angles to the SunBelow the SunQuestion 2 of 153. Twinkling of stars is caused byReflectionDispersionAtmospheric refractionScatteringQuestion 3 of 154. Why donтАЩt planets twinkle?They are closer and appear extended sourcesThey have their own lightThey are bigger in sizeThey reflect less lightQuestion 4 of 155. The Sun is visible to us about 2 minutes before actual sunrise due toDispersionScatteringAtmospheric refractionReflectionQuestion 5 of 156. The apparent flattening of the Sun at sunrise and sunset is due toScatteringDispersionAtmospheric refractionInternal reflectionQuestion 6 of 157. The Tyndall effect is caused due toRefraction of lightDispersion of lightScattering of light by colloidal particlesReflection of lightQuestion 7 of 158. The colour of the clear sky is blue becauseRed light scatters mostBlue light scatters more than redSun emits only blue lightAtmosphere absorbs red lightQuestion 8 of 159. Danger signals are red becauseRed scatters the mostRed is absorbed by fogRed is least scattered by fog or smokeRed looks brighter than other coloursQuestion 9 of 1510. The least scattered colour in the atmosphere isVioletGreenBlueRedQuestion 10 of 1511. The screen in the human eye where the image is formed isCorneaRetinaIrisPupilQuestion 11 of 1512. The signals from the retina are transmitted to the brain throughCiliary musclesOptic nerveIrisCorneaQuestion 12 of 1513. Which part of the human eye is a transparent bulge at the front surface?LensRetinaCorneaIrisQuestion 13 of 1514. Excessive curvature of the eye lens or elongation of the eyeball causesHypermetropiaPresbyopiaMyopiaCataractQuestion 14 of 1515. The human eye works like aMicroscopeCameraTelescopeProjectorQuestion 15 of 15 Loading...
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