This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do we call the dark area that forms when an object blocks light? A) Shadow. B) Glare. C) Illumination. D) Reflection. Show Answer Correct Answer: A) Shadow. 2. What is a difference between reflection and refraction? A) In reflection the light goes through and in refraction the light does not go through. B) In reflection the light does not go through, in refraction it does go through. C) Reflection means to bend and refraction means to bounce off of. D) Refraction means to stop and reflection means to go. Show Answer Correct Answer: B) In reflection the light does not go through, in refraction it does go through. 3. The splitting of white light into its seven constituent colours is called A) Refraction. B) Dispersion. C) Deviation. D) Reflection. Show Answer Correct Answer: B) Dispersion. 4. When light travels from air to glass the light bends ..... A) AWAY. B) TOWARD. C) All the above. D) None of the above. Show Answer Correct Answer: B) TOWARD. 5. When light passes at an angle to the normal from one material into another material in which its speed is higher A) It is bent toward the normal. B) It always lies along the normal. C) It is unaffected. D) It is bent away from the normal. Show Answer Correct Answer: D) It is bent away from the normal. 6. How is a rainbow formed? A) When it rains, the air reflects all of the colors in a rainbow. B) Some light is absorbed by air and some is reflected by the raindrops. C) We only see rainbows when it is raining. D) Light rays pass through raindrops and refract. Show Answer Correct Answer: D) Light rays pass through raindrops and refract. 7. Frosted glass is an example of which type of material? A) Translucent. B) Transparent. C) Opaque. D) Radiant. Show Answer Correct Answer: A) Translucent. 8. A ..... or screen is needed to obtain a shadow. A) Carpet. B) Window. C) Surface. D) Wood. Show Answer Correct Answer: C) Surface. 9. Light cannot travel in every surface A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Number of waves produced in one second A) Frequency. B) Wavelength. C) Crest. D) Trough. Show Answer Correct Answer: A) Frequency. 11. Different light sources give different light intensities. True or False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. ..... comprises of a cylindrical glass tube sealed at both ends and containing a mixture of an inert gas, generally argon and low-pressure mercury vapor. A) Mercury vapor. B) Metal Halide. C) Incandescent. D) Fluorescent lamp. Show Answer Correct Answer: D) Fluorescent lamp. 13. How many images are formed, if the angle is 10? A) 26. B) 35. C) 10. D) Infinity. Show Answer Correct Answer: B) 35. 14. Which is a natural source of light? A) Flashlight. B) Cell phone. C) Lightning. D) Headlights. Show Answer Correct Answer: C) Lightning. 15. As the distance of the object from the mirror increases, the distance of the image also ..... A) Decreases. B) Increases. C) It remains the same. D) None of these. Show Answer Correct Answer: B) Increases. 16. When white light enters a prism, it gets split into its constituent colours. This is due to A) Different refractive index for different wavelength of each colour. B) Each colours has same velocity in the prism. C) Prism material have high density. D) Scattering of light. Show Answer Correct Answer: A) Different refractive index for different wavelength of each colour. 17. A converging lens is also known as a ..... lens. A) Convex. B) Concave. C) Double. D) Refracted. Show Answer Correct Answer: A) Convex. 18. Which of the following types of lamps provides the best color rendition of skin tones? A) Cool-white fluorescent. B) Mercury vapor. C) Metal Halide. D) Incandescent. Show Answer Correct Answer: D) Incandescent. 19. Can we create multiple images using only two mirrors A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 20. The ray of light that strikes a reflecting surface is called ..... A) Incident ray. B) Reflected ray. C) Normal ray. D) None of the above. Show Answer Correct Answer: A) Incident ray. 21. Meaning of Reflected A) A ray of bouncing off a mirror. B) To soak up. C) A material that lets light pass through. D) A solid material that blocks light and makes shadows. Show Answer Correct Answer: A) A ray of bouncing off a mirror. 22. On which property of light does periscopes work? A) Light travels in a straight line. B) Reflection of light. C) Angle of incidence= angle of reflection. D) None of the above. Show Answer Correct Answer: B) Reflection of light. 23. When light energy is absorbed by another object, it ..... A) Bends it. B) Disappears. C) Takes it in. D) Bounces off it. Show Answer Correct Answer: C) Takes it in. 24. A ..... breaks white light into colors. A) Prism. B) Visible spectrum. C) Shadow. D) Lens. Show Answer Correct Answer: A) Prism. 25. If the ability of a lens is a diapter its confluence is away A) 1.5 meters. B) 2.0 meters. C) 2.5 meters. D) 1.0 meters. Show Answer Correct Answer: D) 1.0 meters. ← 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 7Class 7 Science Chapter 11 Light Quiz 8Class 7 Science Chapter 11 Light Quiz 9Class 7 Science Chapter 11 Light Quiz 10Class 7 Science Chapter 11 Light Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books