This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Light > Class 7 Science Chapter 11 Light – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which color absorbs ALL colors? A) Black. B) Yellow. C) White. D) Red. Show Answer Correct Answer: A) Black. 2. Which of the following statements is correct regarding rods and cones in the human eye? A) Cones are sensitive to dim light. B) Rods can sense colour. C) Rods are sensitive to bright light. D) Cones are sensitive to bright light. Show Answer Correct Answer: D) Cones are sensitive to bright light. 3. The image formed by the concave mirror, which is focused the tree located at infinite distance is ..... ' A) At F. B) At 2F. C) At C. D) At 2C. Show Answer Correct Answer: A) At F. 4. The image formed by a pinhole camera is A) Real. B) Inverted. C) Small. D) Real, inverted and small. Show Answer Correct Answer: D) Real, inverted and small. 5. The color you see is the color that is ..... A) Reflected. B) Absorbed. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reflected. 6. ..... mirrors can form either a virtual or a real image A) Concave mirrors. B) Convex mirrors. C) Plane mirrors. D) None of the above. Show Answer Correct Answer: A) Concave mirrors. 7. What are the colours of the rainbow? A) Red, Orange, Yellow, Green, Blue, Indigo, Violet. B) Violet, Indigo, Blue, Green, Yellow, Orange, Red. C) Red, Yellow, Blue, Orange, Violet, Green, Indigo. D) None of the above. Show Answer Correct Answer: A) Red, Orange, Yellow, Green, Blue, Indigo, Violet. 8. ....IS A FORM OF ENERGY THAT PRODUCES THE SENSATION OF SIGHT IN OUR EYES A) LIGHT. B) SOUND. C) FIRE. D) None of the above. Show Answer Correct Answer: A) LIGHT. 9. Light can pass through a water. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 10. If you wanted a gift to be a surprise, what kind of container would you put it in? A) Translucent. B) Opaque. C) Transparent. D) Thick. Show Answer Correct Answer: B) Opaque. 11. Mark the correct statement A) Convex mirror gives wider field view. B) Convex mirror gives real image. C) In convex mirror image size is larger than object. D) Convex mirror used by dentist. Show Answer Correct Answer: A) Convex mirror gives wider field view. 12. With what is glass coated in order to convert it into a mirror? A) Copper. B) Platinum. C) Silver. D) Aluminium. Show Answer Correct Answer: C) Silver. 13. A ..... can split white light or it can recombine seven colours to form ..... light. A) VIBGYOR, prism. B) Prism, white. C) White, Prism. D) Spectrum, VIBGYOR. Show Answer Correct Answer: B) Prism, white. 14. At what distance from a concave mirror of focal length 10 cm must a real object beplaced so that a virtual image double its size may be obtained? A) 15 cm. B) 25 cm. C) 20 cm. D) 5 cm. Show Answer Correct Answer: A) 15 cm. 15. The turning back of light upon hitting a barrier or an obstacle. A) Diffraction. B) Reflection. C) Interference. D) Refraction. Show Answer Correct Answer: B) Reflection. 16. ELECTRIC BULB AND MOON ARE A) LUMINOUS OBJECTS. B) NON LUMINOUS OBJECTS. C) BOTH. D) NONE. Show Answer Correct Answer: D) NONE. 17. Jelly fish are bio-luminescent and create their own light A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 18. In fluorescent lamps, a ..... is used to provide the starting voltage or to stabilize the current in a circuit. A) Ballast. B) Phosphor. C) Filament. D) Light bulb. Show Answer Correct Answer: A) Ballast. 19. Which of the following statements is correct regarding the propagation of light of different colours of white light in air? A) Red light moves fastest. B) Blue light moves faster than green light. C) All the colours of the white light move with the same speed. D) Yellow light moves with the mean speed as that of the red and the violet light. Show Answer Correct Answer: C) All the colours of the white light move with the same speed. 20. Electromagnetic radiation that you can see A) Temperature. B) Photons. C) Light. D) Sound. Show Answer Correct Answer: C) Light. 21. Which of these is highly focussed light A) Fluorescent light. B) Incandescent light. C) Laser. D) None of the above. Show Answer Correct Answer: C) Laser. 22. Straight lines that represent light waves A) Rays. B) Lines. C) Image. D) Visible light. Show Answer Correct Answer: A) Rays. 23. True or False:You need light to create a shadow A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Shadows are formed when light is A) Reflected. B) Refracted. C) Diffracted. D) Absorbed. Show Answer Correct Answer: D) Absorbed. 25. A medium which partially allows the light energy to pass through it is called A) Transparent medium. B) Translucent medium. C) Opaque medium. D) None of the above. Show Answer Correct Answer: B) Translucent medium. 26. The angle of incident for a ray of light having zero reflection angle is A) 45 degree. B) 0 degree. C) 30 degree. D) 90 degree. Show Answer Correct Answer: B) 0 degree. 27. A virtual image? A) Is formed only by the convex mirror. B) Can be formed on screen. C) Cannot be formed on screen. D) Is formed only on plane mirror. Show Answer Correct Answer: C) Cannot be formed on screen. 28. ROY G BIV stands for ..... A) Red, Orange, Yellow, Green, Blue, Indigo, and Violet. B) Red, Orange, Yellow, Gray, Black, Ivory and Violet Blue. C) Red, Orange, Yankee Blue, Green, Black and Violet. D) Royal Blue, Orange, Yellow, Green, Blue, Indigo and Violet. Show Answer Correct Answer: A) Red, Orange, Yellow, Green, Blue, Indigo, and Violet. 29. On increasing the angle between the two reflecting surfaces, the number of images A) Deceases. B) Increases. C) Does not change. D) None of these. Show Answer Correct Answer: A) Deceases. 30. Which of the following are examples of opaque objects? A) Butter paper. B) Glass. C) Book. D) Sunlight. Show Answer Correct Answer: C) Book. 31. Another name for light bending is ..... A) Refraction. B) Reflaction. C) Absorbing. D) Mirror. Show Answer Correct Answer: A) Refraction. 32. Light bounces when it is A) Reflected. B) Absorbed. C) Refracted. D) None of the above. Show Answer Correct Answer: A) Reflected. 33. An object that allows all the light to pass through it A) Translucent. B) Opaque. C) Transparent. D) None. Show Answer Correct Answer: C) Transparent. 34. Form of energy which makes thing visible. A) Non-luminous object. B) Opaque objects. C) Light. D) Darkness. Show Answer Correct Answer: C) Light. 35. Transparent materials A) Let all light pass through. B) Let no light pass through. C) Let some light pass through. D) None of the above. Show Answer Correct Answer: A) Let all light pass through. 36. The point at which rays parallel to the optical axis is called the A) Reflection point. B) Focal point. C) Refraction point. D) None of the above. Show Answer Correct Answer: B) Focal point. 37. Light can pass through A) Transparent materials. B) Clear material. C) Translucent materials. D) All of the above are correct. Show Answer Correct Answer: D) All of the above are correct. 38. An object that reflects all light that lands on it is called a A) Glass. B) Lens. C) Mirror. D) Non-luminous. Show Answer Correct Answer: C) Mirror. 39. In a Lunar eclipse the shadow of ..... is formed on the Moon A) Venus. B) Earth. C) Sun. D) Mercury. Show Answer Correct Answer: B) Earth. 40. Which of the following quantity remain constant during the reflection of light? A) Amplitude. B) Velocity. C) Phase. D) Wavelength. Show Answer Correct Answer: B) Velocity. 41. Real image cannot be formed on a screen. True or False A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 42. Part of the eye which controls the light entering is called A) (a) Iris. B) (c) lens. C) (d) retina. D) B) cornea. Show Answer Correct Answer: A) (a) Iris. 43. Angle of incidence and angle of reflection are ..... to each other. A) Equal. B) Not equal. C) Greater. D) Always different. E) None of these. Show Answer Correct Answer: A) Equal. 44. Radius of curvature of a concave mirror is 60 cm. Find its focal length. A) 15. B) 25. C) 30. D) 20. Show Answer Correct Answer: C) 30. 45. What are translucent objects? A) Objects that cannot let light pass through. B) Objects that can let little light pass through. C) Objects that can let light pass through. D) None of the above. Show Answer Correct Answer: B) Objects that can let little light pass through. 46. Identify false statement? A) Moon covers sun in solar eclipse. B) Moon covers earth in solar eclipse. C) Earth shadow falls on moon in lunar eclipse. D) Opaque forms dark shadows. Show Answer Correct Answer: B) Moon covers earth in solar eclipse. 47. Which of these types of light have the highest energy? A) Red. B) Yellow. C) Blue. D) Violet. Show Answer Correct Answer: D) Violet. 48. What is the colour of Shadow formed by an object? A) Black. B) Red. C) Brown. D) The colour of the shadows is same to the colour of the object. Show Answer Correct Answer: A) Black. 49. Reflection occurs best on: A) Wooden objects. B) Flat, smooth surfaces. C) Opaque mediums. D) Rough, bumpy surfaces. Show Answer Correct Answer: B) Flat, smooth surfaces. 50. In order to be used as mirrors, glasses are coated with A) Platinum. B) Silver. C) Aluminium. D) Copper. Show Answer Correct Answer: B) Silver. 51. When you see your face in the mirror that is an example of A) Refraction. B) Reflection. C) Prism. D) None of the above. Show Answer Correct Answer: B) Reflection. 52. Which of the following is true for reflection?1. The ray of light that travels from object to the mirror is called reflected ray.2. The angle of incidence is same as angle of reflection.3. The ray of light that bounces back from the mirror is called incident ray. A) Only 1. B) Only 2. C) 1 and 2. D) 1, 2 and 3. Show Answer Correct Answer: B) Only 2. 53. Tissue paper is an example of a ..... A) Translucent material. B) Reflective material. C) Opaque material. D) Transparent material. Show Answer Correct Answer: A) Translucent material. 54. The energy that is radiated to Earth by the Sun includes visible light, infrared radiation, ultraviolet radiation, and other types. These different forms of radiation are distinguished based on what property? A) Amplitude. B) Intensity. C) Wavelength. D) Speed. Show Answer Correct Answer: C) Wavelength. 55. You can see colors with or without light. A) Ture. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 56. Where are concave mirror used? A) Side mirrors of vehicles. B) Torches and headlight. C) All the above. D) None of the above. Show Answer Correct Answer: B) Torches and headlight. 57. How many images are obtained when plane mirrors are arranged parallel to each other? A) Ten images. B) Zero image. C) Infinite number of images. D) Single Image. Show Answer Correct Answer: C) Infinite number of images. 58. Sun is a big planet. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 59. If the two plane mirrors are kept in 24 degree, then it form how many images? A) 14. B) 17. C) 15. D) 16. Show Answer Correct Answer: A) 14. 60. What is the opposite word for ..... HAPPY A) Angry. B) Unhhapi. C) Hungry. D) None of the above. Show Answer Correct Answer: B) Unhhapi. ← PreviousNext →Related QuizzesScience QuizzesClass 7 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books