This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Light > Class 7 Science Chapter 11 Light – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 1 (60 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 bend. B) The light rays bounce off. C) The light rays travel straight. D) The light rays stop. Show Answer Correct Answer: A) 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) 12 shadows are formed. B) 6 shadows are formed. C) No shadows are formed. D) Only 1 dark shadow is formed. Show Answer Correct Answer: B) 6 shadows are formed. 9. When light can easily pass through an object, we say that that object is ..... A) Transported. B) Transparent. C) Translucent. D) Opaque. Show Answer Correct Answer: B) 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) Raman Effect. B) Dispersion. C) Transportation. D) Refraction. Show Answer Correct Answer: D) 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. Which one is a natural source of light? A) Candle. B) Electric bulb. C) Sun. D) Torch. Show Answer Correct Answer: C) Sun. 22. How many colour does the white light of the sun contain:- A) Seven. B) One. C) Two. D) Six. Show Answer Correct Answer: A) Seven. 23. 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. 24. Light bounces off when it is A) Refracted. B) Reflected. C) Absorbed. D) Transmitted. Show Answer Correct Answer: B) Reflected. 25. In a concave mirror, if an incident ray passes through F and hits the mirror then it will reflect A) Towards C. B) Towards F. C) Parallel. D) Away from the mirror. Show Answer Correct Answer: C) Parallel. 26. Which objects blocks all the light? A) Translucent. B) Transparent. C) Refracted. D) Opaque. Show Answer Correct Answer: D) Opaque. 27. To bounce off a surface. A) Reflect. B) Prism. C) Refract. D) Bounce. Show Answer Correct Answer: A) Reflect. 28. Why can we sometimes see only parts of the moon? A) The path of light can only reach half of the moon at a time. B) The path of light from Earth to the Sun is blocked. C) The moon is partially eaten by giant zombie rodents, but it can regrow. D) Our brain just wants to make things up to confuse us. Show Answer Correct Answer: A) The path of light can only reach half of the moon at a time. 29. This is not a beam of light A) The headlight of a car. B) Projector onto a screen. C) Light from firefly. D) A torch shines. Show Answer Correct Answer: C) Light from firefly. 30. True or False:You need to move an object closer to a light source for the shadow to get bigger. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 31. Allows all light to pass through the objects A) Opaque. B) Transluscent. C) Transparent. D) Block. Show Answer Correct Answer: C) Transparent. 32. An object is placed 15 cm from convex lens focal length is 10 cm, then the image distance is A) -60 cm. B) -6 cm. C) + 6 cm. D) + 60 cm. Show Answer Correct Answer: C) + 6 cm. 33. EM waves have the same speed but different: A) Frequency & medium. B) Medium & wavelength. C) Wavelength & frequency. D) Color & medium. Show Answer Correct Answer: C) Wavelength & frequency. 34. The sources of light that occur in nature are called natural sources of light. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. What happens with light when it bounces back in your eyes? A) Refraction. B) Reflection. C) Absorption. D) None of the above. Show Answer Correct Answer: B) Reflection. 36. A ray of light passes from medium A to medium B. No bending of light occurs if the ray of light hits the boundary of medium B at an angle of: A) 45 degree. B) 0 degree. C) 180 degree. D) 90 degree. Show Answer Correct Answer: D) 90 degree. 37. Any object that produces light is called a ..... of light. A) Shadow. B) Screen. C) Formation. D) Source. Show Answer Correct Answer: D) Source. 38. What is the distance of your image from you if you stand 1.5 m in front of a plane mirror? A) 2.0 m. B) 1.5 m. C) 3.0 m. D) 4.5 m. Show Answer Correct Answer: C) 3.0 m. 39. The moon ..... the sun's light. A) Reflects. B) Absorbs. C) Turns on. D) Dims. Show Answer Correct Answer: A) Reflects. 40. Which of the following would you prefer to use while reading small letters found in dictionary? A) A convex lens. B) A concave lens. C) Either a or b. D) A convex mirror. Show Answer Correct Answer: A) A convex lens. 41. ..... mirror always forms virtual image. A) Concave mirror. B) Plane mirror. C) Convex mirror. D) None of the above. Show Answer Correct Answer: B) Plane mirror. 42. What type of wave does a light wave resemble? A) Transverse wave. B) Compressional wave. C) All the above. D) None of the above. Show Answer Correct Answer: A) Transverse wave. 43. The bending of light as it passes from one type of matter to another A) Concave. B) Convex. C) Reflection. D) Refraction. Show Answer Correct Answer: D) Refraction. 44. A convex mirror has a focal length 12 cm. Then its radius of curvature is ..... cm A) 12. B) 6. C) 24. D) -24. Show Answer Correct Answer: C) 24. 45. A device which works on the reflection of light from two plane mirrors arranged parallel to one another is A) Electroscope. B) Periscope. C) Kaliedoscope. D) Stethoscope. Show Answer Correct Answer: B) Periscope. 46. A reflecting surface is curved outwards. Which of the following mirrors is it likely to be? A) Concave. B) Plane. C) Convex. D) All of the above. Show Answer Correct Answer: C) Convex. 47. Where does light come from? A) A coral reef. B) The sun. C) The clouds. D) The fish. Show Answer Correct Answer: B) The sun. 48. What causes a blue car to appear blue in the sunlight? A) The car absorbs all blue light. B) Only the blue light is reflected by the car. C) The car refracts all blue light. D) Only blue light passes through the car. Show Answer Correct Answer: B) Only the blue light is reflected by the car. 49. Which phenomenon of light causes beding of pencil inside the water? A) Refraction. B) Dispersion. C) Scattering. D) Reflection. Show Answer Correct Answer: A) Refraction. 50. According to the law of reflection the angle of incidence is A) Equal to the angle of relction. B) More than the angle of reflection. C) Less than the angle of reflection. D) None of the above. Show Answer Correct Answer: A) Equal to the angle of relction. 51. An object that does not allow light to pass through A) Clear. B) Transparent. C) Translucent. D) Opaque. Show Answer Correct Answer: D) Opaque. 52. Mirror is a bad reflector of light A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 53. The outermost covering of the eye made of white tough fibrous tissues is A) Cornea. B) Choroid. C) Sclera. D) Retina. Show Answer Correct Answer: C) Sclera. 54. The ray of light falling on a mirror is a A) Normal. B) Incident ray. C) Reflected ray. D) Reflection. Show Answer Correct Answer: B) Incident ray. 55. Which object moves light to a central point? A) Concave lens. B) Mirror. C) Prism. D) Convex lens. Show Answer Correct Answer: D) Convex lens. 56. What color is NOT in a rainbow A) Yellow. B) Indigo. C) Pink. D) Orange. Show Answer Correct Answer: C) Pink. 57. The property of light by which it travels in a straight line is known as A) Rectilinear propagation of light. B) Lateral inversion. C) Circular motion. D) Random motion. Show Answer Correct Answer: A) Rectilinear propagation of light. 58. What do waves transfer? A) Matter. B) Energy. C) Matter and energy. D) The medium. Show Answer Correct Answer: B) Energy. 59. Rainbow is a natural phenomenon showing ..... A) Deflection. B) Diversion. C) Dispersion. D) Reflection. Show Answer Correct Answer: C) Dispersion. 60. Spectrum of light is the formation of the band of seven colours on a white screen due to the dispersion of white light. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. Next →Related QuizzesScience QuizzesClass 7 QuizzesClass 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books