This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Light > Class 7 Science Chapter 11 Light – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A microscope makes objects under it appear bigger because the lens ..... A) Changes the color of the light passing through it. B) Decreases the light passing through it. C) Bends the light passing through it. D) Increases the strength of the light. Show Answer Correct Answer: C) Bends the light passing through it. 2. Near point of human eye A) 15 cm. B) 25cm. C) 10 cm. D) 50 cm. Show Answer Correct Answer: B) 25cm. 3. Relation between angle of reflection and angle of incidence is- A) Angle i is greater than angle r. B) Angle r is greater than angle i. C) Angle i is equal to angle r. D) None of the above. Show Answer Correct Answer: C) Angle i is equal to angle r. 4. A white surface absorbs all the color of light. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 5. The lens which is thicker in the middle thn the egdes are:- A) Convex lens. B) Real lens. C) Concave lens. D) None of these. Show Answer Correct Answer: A) Convex lens. 6. What is the size of the image if the object is at C in concave mirror? A) Same size. B) Enlarged. C) Real. D) Diminshed. Show Answer Correct Answer: A) Same size. 7. Regular reflection relate to- A) Book. B) Wall. C) Polished tin sheet. D) Black board. Show Answer Correct Answer: C) Polished tin sheet. 8. The bouncing of Light on hitting an opaque object is called A) Dispersion of Light. B) Reflection of Light. C) Refraction of Light. D) None of the above. Show Answer Correct Answer: B) Reflection of Light. 9. What colour Traffic Light comes after YELLOW? A) Green. B) Pink. C) Orange. D) Red. Show Answer Correct Answer: A) Green. 10. This object will help you see things far away A) Translucent. B) Convex lens. C) Prism. D) Concave lens. Show Answer Correct Answer: D) Concave lens. 11. A solar eclipse occurs on a ..... day. A) Full moon night. B) New moon day. C) All the above. D) None of the above. Show Answer Correct Answer: B) New moon day. 12. Which shadow covers moon in lunar eclipse? A) Earth. B) Mars. C) Moon. D) Sun. Show Answer Correct Answer: A) Earth. 13. ..... means to bounce back light. A) Absorb. B) Reflect. C) Refract. D) Echo. Show Answer Correct Answer: B) Reflect. 14. Which word describes how light travels when it passes from air, to water? A) Circular. B) Bent. C) Straight. D) Curved. Show Answer Correct Answer: B) Bent. 15. Why was Rajiv happy? A) Visited village. B) Because they visited zoo. C) They visited lighthouse. D) They visited park. Show Answer Correct Answer: C) They visited lighthouse. 16. A ..... lens makes objects appear bigger. A) Prism. B) Concave. C) Convex. D) Flat. Show Answer Correct Answer: C) Convex. 17. Which mirror is used as a make-up mirror? A) Convex mirror. B) Plane mirror. C) Plano-concave. D) Concave mirror. Show Answer Correct Answer: D) Concave mirror. 18. Bouncing of a light ray when it strikes a reflecting surface is called ..... A) Refraction. B) Reflection. C) Diffraction. D) Dispersion. Show Answer Correct Answer: B) Reflection. 19. The colour band of light of the end by dispersion of light is called A) Image. B) Convergence. C) Spectrum. D) Scattering. Show Answer Correct Answer: C) Spectrum. 20. Why do we see objects as white? A) They absorb all light. B) They reflect all light. C) They absorb some light and reflect some light. D) None of the above. Show Answer Correct Answer: B) They reflect all light. 21. The defect of vision in which the eye lens of a person gets progressively cloudy resulting in blurred vision is called A) Myopia. B) Night blindness. C) Hypermatropia. D) Cataract. Show Answer Correct Answer: D) Cataract. 22. The yellow-colored high pressure sodium lights found in outdoor environments around campus are best described as: A) Warm color, low color temperature. B) Cool color, high color temperature. C) Warm color, high color temperature. D) Cool color, low color temperature. Show Answer Correct Answer: A) Warm color, low color temperature. 23. Blue+green (a) = A) A. cyan. B) Magenta. C) All the above. D) None of the above. Show Answer Correct Answer: A) A. cyan. 24. Shadows are longer during winter than in ..... A) Summer. B) Rainy. C) Extreme cold. D) All of these. Show Answer Correct Answer: A) Summer. 25. Sunlight is used during photosynthesis to- A) Break down the stomata. B) Break down the water. C) Break down the xylem. D) Capture the water. Show Answer Correct Answer: B) Break down the water. 26. When the ciliary muscles relax, the thickness of the lens A) Increases. B) Reduces. C) Remains the same. D) Sometimes reduces and sometimes increases. Show Answer Correct Answer: B) Reduces. 27. The magnifying glass is also called: A) Lens. B) Concave lens. C) Convex lens. D) None of these. Show Answer Correct Answer: C) Convex lens. 28. Shadow is formed on the ..... side of the source of light. A) Opposite. B) Front. C) Left. D) Right. Show Answer Correct Answer: A) Opposite. 29. What is lighthouse? A) House. B) Temple. C) Phone tower. D) Tall strong building to guide the sailors. Show Answer Correct Answer: D) Tall strong building to guide the sailors. 30. A colorful rainbow is an example of this property of light A) Translucent. B) Reflection. C) Absorption. D) Refraction. Show Answer Correct Answer: D) Refraction. 31. When light bounces of a mirror, it is A) Reflected. B) Corrected. C) Refracted. D) Absorbed. Show Answer Correct Answer: A) Reflected. 32. The mirror used as rear view mirror in cars is A) Convex. B) Concave. C) Plane. D) None of these. Show Answer Correct Answer: A) Convex. 33. The mirror used as rear-view mirror in vehicles A) Concave mirror. B) Convex mirror. C) Cylindrical Mirror. D) Plane mirror. Show Answer Correct Answer: B) Convex mirror. 34. White light is composed of A) Three colours. B) Eight colours. C) Seven colours. D) Five colours. Show Answer Correct Answer: C) Seven colours. 35. When the object is at center of curvature in concave mirror, the image will be A) Enlarged one. B) At infinity. C) Diminished one. D) Same size. Show Answer Correct Answer: D) Same size. 36. Which of the following is not a product of photosynthesis? A) Carbon dioxide. B) Oxygen. C) Sugar. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide. 37. Our eye is a ..... lens? A) Convex. B) Concave. C) Plane. D) None of the above. Show Answer Correct Answer: A) Convex. 38. You are given water, mustard oil, glycerin and kerosene. In which of these media, a rayoflightincidentfrom air obliquelyat the sameangle would bend the most? (Refractive index of water = 1.33, mustard oil =1.46, Glycerin = 1.473, kerosene = 1.44) A) Mustard oil. B) Kerosene. C) Water. D) Glycerin. Show Answer Correct Answer: D) Glycerin. 39. A prism can be used to ..... A) Make a beam of light brighter. B) Measure the speed of light. C) Separate visible light into colors. D) Make UV light visible. Show Answer Correct Answer: C) Separate visible light into colors. 40. Ateachersetsupthestandcarryingaconvex lensoffocallength15cmat42.7cmmarkon theopticalbench.HeasksfourstudentsA, B, CandDtosuggestthepositionofscreenon theopticalbenchsothatadistinctimageof adistanttreeisobtainedalmostimmediately onit.Which student is correct if the positionssuggestedbythestudents wereas: A) 57.7 cm. B) 72.7 cm. C) 12.7 cm. D) 29.7 cm. Show Answer Correct Answer: A) 57.7 cm. 41. Shining a light on a prism will ..... A) Magnify the light. B) Move the light in a line. C) Make heat. D) Compose many different colors. Show Answer Correct Answer: D) Compose many different colors. 42. Which of the following can't reflect sunlight? A) Still water. B) Aluminium foil. C) Polished screen. D) Bedsheet. Show Answer Correct Answer: D) Bedsheet. 43. I can provide an essential vitamin to your body. I can also cause skin cancer. Who am I? A) Infrared rays. B) Gamma rays. C) Ultraviolet rays. D) Radio waves. Show Answer Correct Answer: C) Ultraviolet rays. 44. Example of a opaque object is A) Black box. B) Butter paper. C) All the above. D) None of the above. Show Answer Correct Answer: A) Black box. 45. The image formed by a plane mirror is real. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 46. If the focal length of concave lens is 40 cm, then the power of lens is A) -2.5 D. B) + 0.025 D. C) -0.025 D. D) + 2.5 D. Show Answer Correct Answer: A) -2.5 D. 47. The ability of a lens is +2.0 d but it is A) Pipeline. B) Shouting. C) Lens. D) Convex lens. Show Answer Correct Answer: D) Convex lens. 48. A ray of light travelling obliquely from a rarer medium to a denser medium bends ..... the normal at the surface of separation of the two media A) Towards. B) Away. C) All the above. D) None of the above. Show Answer Correct Answer: A) Towards. 49. Concave mirror is used as reflector in search light, head light of motor vehicles to get powerful parallel beam of light A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. Which equation related to ohm's law? A) V = go. B) R=V/I. C) I=V/R. D) All of the above. Show Answer Correct Answer: D) All of the above. 51. Every star produces it own light A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 52. Which of the following allow light to pass through it easily A) A wooden block. B) Glass tumbler. C) Book. D) A metal plate. Show Answer Correct Answer: B) Glass tumbler. 53. Visible Light is Made of seven Colours A) Fiber. B) Vibgoyr. C) VIBGYRO. D) None of the above. Show Answer Correct Answer: A) Fiber. 54. Which of the following are used as reflectors in street lights to spread the light over a wide area? A) Plane mirrors. B) Convex mirrors. C) Concave mirrors. D) Convex lens. Show Answer Correct Answer: B) Convex mirrors. 55. Which of the materials are translucent? A) A desk. B) A baseball. C) A doll. D) A piece of tissue paper. Show Answer Correct Answer: D) A piece of tissue paper. 56. Ram's shadow is longer at 5:15 in the evening than 2 pm. Why? A) Sun is at lower angle in the evening. B) Sun is at higher angle in evening. C) Sun is exactly at top in the evening. D) Sun is brighter in evening. Show Answer Correct Answer: A) Sun is at lower angle in the evening. 57. MATERIALS WHICH ALLOW LIGHT TO PASS PARTIALLY ARE CALLED AS A) OPAQUE OBJECTS. B) TRANSLUCENT OBJECTS. C) TRANSPARENT OBJECTS. D) None of the above. Show Answer Correct Answer: B) TRANSLUCENT OBJECTS. 58. Sunlight is composed of 7 colours. This cannot be demonstrated using- A) Rainbow formation. B) Passing a white light through a glass slab. C) Newton's disc. D) Passing a white light through prism. Show Answer Correct Answer: B) Passing a white light through a glass slab. 59. Why does white clothing keep you cooler in the summer compared to black or dark clothing? A) Because the white wavelengths of light to not carry heat. B) Because dark material reflects the hot waves away. C) Light waves carry energy. A white surface reflects almost all the light and its energy. D) Black material does not absorb light waves. Show Answer Correct Answer: C) Light waves carry energy. A white surface reflects almost all the light and its energy. 60. Definition of light A) Light produces sensation of sight in our eyes. B) Which makes us see things. C) All the above. D) None of the above. Show Answer Correct Answer: A) Light produces sensation of sight in our eyes. ← PreviousNext →Related QuizzesScience QuizzesClass 7 QuizzesClass 7 Science Chapter 11 Light Quiz 1Class 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