We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 8 Science book Chapter 16 Light with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 8 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Light. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 8 free Pdf and prepare to exam and help students understand the concept very well.
MCQ Questions for Class 8 Science with Answers
Q1. The cells present in the retina of eye and responding to intensity of light are:
(i) Rod-shaped cells
(ii) Both of these
(iii) Cones
(iv) None of these
(i) Rod-shaped cells
Q2. The bouncing back of light into the same medium is called
(i) refraction
(ii) reflection
(iii) dispersion
(iv) diffraction
(ii) reflection
Q3. What makes objects visible?
(i) The absorption of light by objects
(ii) The reflected light from the object
(iii) The total internal reflection taking place in an object
(iv) The refracted light from the object
(ii) The reflected light from the object
Q4. Beam of light striking the reflecting surface is called
(i) reflecting ray
(ii) incident ray
(iii) refracted ray
(iv) normal ray
(ii) incident ray
Q5. Light passing through a prism splits into seven colours. This is called
(i) Dispersion
(ii) Dissolution
(iii) Division
(iv) None of the above
(i) Dispersion
Q6. Braille system is used by
(i) Hearing impaired
(ii) Black people
(iii) Blind people
(iv) African people
(iii) Blind people
Q7. Angle of incidence is equal to the angle of reflection:
(i) Always
(ii) Sometimes
(iii) Under special conditions
(iv) Never
(i) Always
Q8. Maximum part of light is reflected by
(i) opaque object
(ii) translucent object
(iii) transparent object
(iv) all of these
(i) opaque object
Q9. Which of the following travels faster?
(i) Jet Aero plane
(ii) Sound
(iii) Light
(iv) Supersonic plane
(iii) Light
Q10. Front balged part of the eyeball is called
(i) cornea
(ii) choroid
(iii) pupil
(iv) retina
(i) cornea
Q11. In the retina of the eye, the area having no sensory cells is called
(i) iris
(ii) Blind spot
(iii) cornea
(iv) Dark spot
(ii) Blind spot
Q13. An example of luminous object is
(i) Star
(ii) Smooth surface
(iii) Mirror
(iv) Cloth
(i) Star
Q12. Reflection is:
(i) absorption of light rays by the surface of an object
(ii) passing of light rays through the surface of an object
(iii) bouncing back of light rays from the surface object
(iv) None of these
(iii) bouncing back of light rays from the surface object
Q14. The perpendicular drawn to the reflecting surface is called
(i) normal
(ii) incident ray
(iii) reflected ray
(iv) none of these
(i) normal
Q15. How many images are obtained when plane mirrors are arranged parallel to each other?
(i) A single image
(ii) Two images
(iii) Infinite number of images
(iv) Zero image
(iii) Infinite number of images
Q16. Name the type of mirror used as a backview mirror.
(i) Plane mirror
(ii) Concave mirror
(iii) Convex mirror
(iv) Any of these
(iii) Convex mirror
Q17. To make a kaleidoscope we require
(i) Three plane mirrors
(ii) Four plane mirrors
(iii) Three glass sheets
(iv) Four glass sheets
(i) Three plane mirrors
Q18. A number of rays from different direction assemble at point are called
(i) Intersecting rays
(ii) Parallel rays
(iii) Divergent rays
(iv) Convergent rays
(iv) Convergent rays
Q19. Which of the following is not a source of light:
(i) Tubelight
(ii) The sun
(iii) The moon
(iv) Fire fly
(iii) The moon
Q20. The angle between the reflected ray and the normal is called
(i) angle of incidence
(ii) reflected ray
(iii) angle of reflection
(iv) point of incidence
(iii) angle of reflection
Q21. Convex lens focus a real, point sized image at focus, the object is placed
(i) At focus
(ii) Between F and 2F
(iii) At infinity
(iv) At 2F
(iii) At infinity
Q22. What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?
(i) 60°
(ii) 45°
(iii) 90°
(iv) 180°
(ii) 45°
Q23. What is the nature of image formed on the retina of human eye of an object?
(i) Virtual and erect
(ii) Virtual and inverted
(iii) Real and erect
(iv) Real and inverted
(iv) Real and inverted
Q24. What is the name of object through which light can pass?
(i) Opaque
(ii) Translucent
(iii) Transparent
(iv) Luminous
(iii) Transparent
Q25. The lens present in eye is:
(i) convex lens
(ii) concave lens
(iii) either convex or concave
(iv) none of these
(i) convex lens
Q26. The nature of image formed by plane mirror is
(i) real and inverted
(ii) virtual and erect
(iii) real and erect
(iv) virtual and inverted
(ii) virtual and erect
Q27. Splitting of white rays of light into seven colours is called
(i) Dispersion of light
(ii) Reflection of light
(iii) Refraction of light
(iv) Scattering of light
(i) Dispersion of light
Q28. The defect due to which a person is not able to see the distant objects clearly:
(i) Myopia
(ii) Hypermetropia
(iii) Cornea
(iv) Cataract
(i) Myopia
Q29. A mirror has __ surface.
(i) rough
(ii) polished
(iii) dark
(iv) all of these
(ii) polished
Q30. With what is glass coated in order to convert it into a mirror?
(i) Silver
(ii) Copper
(iii) Aluminium
(iv) Platinum
(i) Silver
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