MCQ Class 8 Science Chapter 13 Light Advertisement MCQ’s For All Chapters – Science Class 8th 1. Which of the following is not a luminous object?Tube lightcandlesunmoonQuestion 1 of 152. In our eye _______ cells can sense colourConeRodNeither rod nor coneBoth rod and coneQuestion 2 of 153. An owl can see clearly at night but not day time because it hasLess rods and less conesMore rods and few conesLess rod and more conesMore rods and more coneQuestion 3 of 154. The impression or sensation remains on the retina for about how many seconds even after removal of the object ?1 minute1 second1/16th of a second16 secondsQuestion 4 of 155. The cells present in the retina of eye and responding to colour are:ConesRod-shaped cellsBoth of theseNone of theseQuestion 5 of 156. The disease of eye in which crystalline lens becomes hazy or even opaque due to development of membrane over it is :PresbyopiaMyopiaCataractHypermetropiaQuestion 6 of 157. Image formed by a plane mirror is:Real, behind the mirror and of the same size as the objectVirtual, behind the mirror and enlargedVirtual, behind the mirror and of the same size as the objectReal at the surface of the mirror and enlarged .Question 7 of 158. Splitting of light into its colours is known as:rainbowspectrumdispersionnone of theseQuestion 8 of 159. Which type of mirror is used to obtain a virtual, laterally inverted image and equal in size of an object ?plane mirrorconvex mirrorconcave mirrorall of theseQuestion 9 of 1510. The angle between incident ray and normal is called the angle of:refractionreflectionincidencenone of theseQuestion 10 of 1511. The lens present in eye is:either convex or concaveconvex lensconcave lensnone of theseQuestion 11 of 1512. Kaleidoscope is based on the pattern of:diffused reflectionreflectionmultiple reflectionspectrumQuestion 12 of 1513. When two mirrors are placed parallel to each other, and a candle is placed in the centre of the mirrors no. of images will be formed.no image will be formedinfinitethreesixQuestion 13 of 1514. Beam of light striking the reflecting surface is called:NormalReflecting rayIncident rayRefracted rayQuestion 14 of 1515. Band of seven colours is called:SpectrumDispersionVIBGYORBoth (b) and (c)Question 15 of 15 Loading...
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