This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. We are able to see things due to A) Dispersion of Light. B) Refraction of Light. C) Reflection of light. D) None of the above. Show Answer Correct Answer: C) Reflection of light. 2. Which light source causes shadows in the outdoor environment? A) The sun. B) The light bulb. C) The house. D) The school. Show Answer Correct Answer: A) The sun. 3. Which of the following can release its own light? A) Moon. B) Planets. C) Stars. D) All of the above. Show Answer Correct Answer: C) Stars. 4. Objects look different under water because ..... A) The light rays bounce off. B) The light rays bend. C) The light rays stop. D) The light rays travel straight. Show Answer Correct Answer: B) The light rays bend. 5. An area where light does not strike A) Energy. B) Light. C) Shadow. D) Transparent. Show Answer Correct Answer: C) Shadow. 6. The nature of image formed by plane mirror is A) Real and inverted. B) Virtual and erect. C) Real and erect. D) Virtual and inverted. Show Answer Correct Answer: B) Virtual and erect. 7. When Sun comes between earth and moon it is called a Solar Eclipse? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. In a cricket stadium, 6 huge lights were installed. What will happen to shadows? A) No shadows are formed. B) Only 1 dark shadow is formed. C) 6 shadows are formed. D) 12 shadows are formed. Show Answer Correct Answer: C) 6 shadows are formed. 9. When light can easily pass through an object, we say that that object is ..... A) Transparent. B) Translucent. C) Opaque. D) Transported. Show Answer Correct Answer: A) Transparent. 10. Electric bulb is this source of light A) Artificial. B) Natural. C) All the above. D) None of the above. Show Answer Correct Answer: A) Artificial. 11. Image formed in pinhole camera is real A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Due to the reflection of light, the impression of an object formed in a mirror is called the ..... of the object A) Image. B) Shadow. C) Light. D) None of the above. Show Answer Correct Answer: A) Image. 13. Glasses that help see faraway are made with concave lens. A) True. B) False, they are made with convex lens. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. When a ray of light moves from the air to water it bends due to a change in A) Velocity. B) Direction. C) Speed. D) None of the above. Show Answer Correct Answer: C) Speed. 15. What gas does the process of photosynthesis release into the atmosphere? A) Oxygen. B) Carbon dioxide. C) Water. D) Nitrogen. Show Answer Correct Answer: A) Oxygen. 16. If you are wearing a yellow shirt, what is true of the light that strikes it? A) Yellow is absorbed; everything else is reflected. B) Yellow is reflected; everything else is absorbed. C) All colors are reflected. D) All colors are absorbed. Show Answer Correct Answer: B) Yellow is reflected; everything else is absorbed. 17. There are 3 things which happen with light-Reflection ..... Dispersion(In video) A) Dispersion. B) Transportation. C) Refraction. D) Raman Effect. Show Answer Correct Answer: C) Refraction. 18. A block of wood is opaque. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Fill in the blanks A) Non of the above. B) No it does not travel in a straight line. C) Light travels in a straight line. D) None of the above. Show Answer Correct Answer: C) Light travels in a straight line. 20. What are the 3 types of beams of light? A) Transparent, translucent, opaque. B) Luminous, point source, artificial. C) Parallel, divergent, convergent. D) None of the above. Show Answer Correct Answer: C) Parallel, divergent, convergent. 21. Light detectors A) Emit light. B) Detect light. C) Reflect light. D) None of the above. Show Answer Correct Answer: B) Detect light. 22. Which one is a natural source of light? A) Candle. B) Electric bulb. C) Sun. D) Torch. Show Answer Correct Answer: C) Sun. 23. How many colour does the white light of the sun contain:- A) One. B) Seven. C) Six. D) Two. Show Answer Correct Answer: B) Seven. 24. Does refraction occur when light rays bounce or bend? A) Bounce. B) Bend. C) All the above. D) None of the above. Show Answer Correct Answer: B) Bend. 25. Light bounces off when it is A) Reflected. B) Absorbed. C) Refracted. D) Transmitted. Show Answer Correct Answer: A) Reflected. 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