This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. As a wave, light is part of the electromagnetic waves as the visible spectrum or white light. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 2. In YouTube Video Activity 10.9 Refraction of light, what is the colour of the Pencil used to show Refraction of Light A) Blue. B) Red. C) Pink. D) White. Show Answer Correct Answer: A) Blue. 3. Which is true for diffused reflection? A) The reflected rays are not parallel to each other. B) The laws of reflection are obeyed. C) The surface is irregular. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. What does the word "diverging" mean? A) To spread apart. B) To come together. C) Parallel. D) Perpendicular. Show Answer Correct Answer: A) To spread apart. 5. Focal length of plane mirror is a. At infinity b. Zero c. Negative d. None of these A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 6. The bending of light when it moves through one kind of matter to another is ..... A) Absorption. B) Reflection. C) Refraction. D) A rainbow. Show Answer Correct Answer: C) Refraction. 7. Of visible light what has the longest wavelength and the shortest. A) Violet, red. B) Transverse, ray. C) Red, violet. D) White light. Show Answer Correct Answer: C) Red, violet. 8. Example of a luminous object A) Sun. B) Moon. C) Pencil. D) Wall. Show Answer Correct Answer: A) Sun. 9. Some light passes through = ..... A) Opaque. B) Transparent. C) Translucent. D) None of the above. Show Answer Correct Answer: C) Translucent. 10. A concave mirror produces a three times magnified image on a screen. If the object is placed 20cm in front of the mirror, What is the image distance? A) -20 cm. B) -40cm. C) -60 cm. D) -10 cm. Show Answer Correct Answer: C) -60 cm. 11. What will happen to a ray passing from one transparent medium to another with the same refractive index? A) It bends towards the normal. B) It bends away from the normal. C) It does not bent. D) It cannot pass through. Show Answer Correct Answer: C) It does not bent. 12. Which of the the following mirror is used in search lights? A) Plane mirror. B) Converging mirror. C) Diverging mirror. D) Convex mirror. Show Answer Correct Answer: B) Converging mirror. 13. As you look at a rainbow, the colors go from top to bottom in what order? A) Coasty. B) Fiber. C) GYORVIB. D) Pretty to beautiful. Show Answer Correct Answer: A) Coasty. 14. An example of a natural light source is ..... A) A firefly. B) The sun. C) A rainbow. D) All of the above. Show Answer Correct Answer: D) All of the above. 15. Convex mirror image ig A) Enlarge. B) Real. C) Diminshed. D) Formed infront of mirror. Show Answer Correct Answer: C) Diminshed. 16. Light travels fastest in ..... A) Solids. B) Liquids. C) Gases. D) A vacuum. Show Answer Correct Answer: D) A vacuum. 17. Which is the right mode from Q-Control to increase the Fan speed to Maximum? A) Quiet Mode. B) Balance Mode. C) Performance Mode. D) None of the above. Show Answer Correct Answer: C) Performance Mode. 18. The light beam emanating from a torch appears to be starting from a point and travels in various directions.Identify the nature of light emitted from a torchlight. A) Convergent. B) Divergent. C) Parallel. D) Irregular. Show Answer Correct Answer: B) Divergent. 19. The image formed by a concave mirror is observed to be virtual, erect and larger than the object. where should be position of the object? A) Between the principal focus and the center of curvature. B) At the center of curvature. C) Beyond the center of the curvature. D) Between the pole of the mirror and the principal focus. Show Answer Correct Answer: A) Between the principal focus and the center of curvature. 20. Earth's primary source of light A) Moon. B) Stars. C) Sun. D) Power company. Show Answer Correct Answer: C) Sun. 21. Sources of light can be? A) Shadow. B) Natural or artificial. C) Opaque. D) Transparent. Show Answer Correct Answer: B) Natural or artificial. 22. What type of image is formed when rays of light actually intersect? A) Real. B) Virtual. C) Projected. D) Curved. Show Answer Correct Answer: A) Real. 23. A material that lets light pass through A) Transparent. B) Translucent. C) Opaque. D) Solid. Show Answer Correct Answer: A) Transparent. 24. A smooth shining surface, which rebounds the light back in same or in different direction, is called A) Mirror. B) Incident ray. C) Lens. D) Idealisation. Show Answer Correct Answer: A) Mirror. 25. In a glass slab the emergent ray is ..... to incident ray A) Parallel. B) Opposite. C) Intersect. D) None. Show Answer Correct Answer: A) Parallel. ← 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