This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the best reflector of light? A) Lens. B) Microscope. C) Mirror. D) Prism. Show Answer Correct Answer: C) Mirror. 2. Beam of light striking a reflecting surface is called ..... A) Reflecting ray. B) Incident ray. C) Refracted ray. D) Normal ray. Show Answer Correct Answer: B) Incident ray. 3. What is not a characteristic of a rear view mirror in a car? A) Convex in nature. B) Concave in nature. C) They have wider field of coverage. D) They give a virtual image. Show Answer Correct Answer: B) Concave in nature. 4. Sources of Light can be natural or artificial. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. The branch of physics which deals with the study of light is called ..... A) Optics. B) Acoustics. C) Mechanics. D) Statics. Show Answer Correct Answer: A) Optics. 6. While playing hide and seek I was able to find my friend easily because I could see right through the window into the kitchen where she was hiding. That means the window is ..... A) Opaque. B) Transparent. C) Translucent. D) None of the above. Show Answer Correct Answer: B) Transparent. 7. Which describes a convex lens? A) Triangular in shape. B) More transparent in the middle. C) Thicker on the edges than in the middle. D) Thicker in the middle than on the edges. Show Answer Correct Answer: D) Thicker in the middle than on the edges. 8. It is a bundle of nerves beginning from the brain and entering the eyeball from behind. A) Sclera. B) Iris. C) Optic nerve. D) Ciliary muscles. Show Answer Correct Answer: C) Optic nerve. 9. Diffused / irregular reflection takes place from A) Rough surface. B) Smooth surface. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rough surface. 10. The bending of light as it passes through different materials A) Reflection. B) Refraction. C) Absorption. D) Transfer. Show Answer Correct Answer: B) Refraction. 11. The image which is formed behind the mirror A) Real Image. B) Virtual Image. C) Blur Image. D) Inverted Image. Show Answer Correct Answer: B) Virtual Image. 12. Wax paper or a foggy window is an example of what type of material. A) Transparent. B) Translucent. C) Opaque. D) None of the above. Show Answer Correct Answer: B) Translucent. 13. At what time of day does our shadow become shorter? A) Morning. B) Evening. C) Noon. D) None of the above. Show Answer Correct Answer: C) Noon. 14. Transparent material that separates white light into its component colors by refraction A) Wax paper. B) Prism. C) Concave. D) Convex. Show Answer Correct Answer: B) Prism. 15. We are not able to see the candel flame through a bent pipe beacuse A) Of the colour of the produced by the flame. B) Light travels along a straight line. C) Of the absence of convex mirror. D) None of the above. Show Answer Correct Answer: B) Light travels along a straight line. 16. Two plane mirrors are inclined to each other such that a ray of light incident on the firstmirror and parallel to the second is reflected from the second mirror parallel to the firstmirror. The angle between the two mirrors is A) Equal to the angle of reflection. B) Equal to the angle of incidence. C) Equal to the angle of refraction. D) Equal to the angle of deflection. Show Answer Correct Answer: B) Equal to the angle of incidence. 17. Which color reflects the least light? A) Black. B) White. C) Blue. D) Red. Show Answer Correct Answer: A) Black. 18. A form of energy that travels in straight lines A) Sound. B) Light. C) Kinetic. D) Atoms. Show Answer Correct Answer: B) Light. 19. Which of these objects clearly demonstrate light being reflected in a single new direction? A) A prism. B) A curved lens. C) A still lake. D) Black paper. Show Answer Correct Answer: C) A still lake. 20. Which of the following statements does not describe Light independent reaction? A) Aka Calvin cycle. B) Produce ATP and NADPH. C) Produce glucose. D) Occur in the stroma of the chloroplast. E) Use ATP and NADPH for the reaction. Show Answer Correct Answer: B) Produce ATP and NADPH. 21. Which of the following properties are used while using the periscope? A) Gravitational force. B) Reflection of light. C) Property of lights and beams. D) None of these. Show Answer Correct Answer: B) Reflection of light. 22. Sunlight, tanning beds, plant lights A) Infrared. B) Radio. C) Microwaves. D) Ultraviolet (UV). E) X-Rays. Show Answer Correct Answer: D) Ultraviolet (UV). 23. Chose the right image A) Light sorce to the mirror and then to our eyes. B) Our eyes and to the mirror. C) All the above. D) None of the above. Show Answer Correct Answer: A) Light sorce to the mirror and then to our eyes. 24. Which of the following can form enlarged, virtual images? A) Convex mirrors. B) Concave mirrors. C) Plane mirrors. D) Concave lens. Show Answer Correct Answer: B) Concave mirrors. 25. ..... is a polished or shinning reflecting surface. A) Mirror. B) Lens. C) All the above. D) None of the above. Show Answer Correct Answer: A) Mirror. ← PreviousNext →Related QuizzesClass 7 Science Chapter 11 Light Quiz 1Class 7 Science Chapter 11 Light Quiz 2Class 7 Science Chapter 11 Light Quiz 3Class 7 Science Chapter 11 Light Quiz 4Class 7 Science Chapter 11 Light Quiz 5Class 7 Science Chapter 11 Light Quiz 6Class 7 Science Chapter 11 Light Quiz 7Class 7 Science Chapter 11 Light Quiz 8Class 7 Science Chapter 11 Light Quiz 9Class 7 Science Chapter 11 Light Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books