This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Lenses are ..... A) Flat pieces of glass. B) Found in nature. C) Are opaque. D) Curved pieces of glass. Show Answer Correct Answer: D) Curved pieces of glass. 2. Which color absorbs ALL colors? A) Yellow. B) White. C) Black. D) Red. Show Answer Correct Answer: C) Black. 3. Which of the following statements is correct regarding rods and cones in the human eye? A) Cones are sensitive to dim light. B) Cones are sensitive to bright light. C) Rods are sensitive to bright light. D) Rods can sense colour. Show Answer Correct Answer: B) Cones are sensitive to bright light. 4. The image formed by the concave mirror, which is focused the tree located at infinite distance is ..... ' A) At C. B) At F. C) At 2C. D) At 2F. Show Answer Correct Answer: B) At F. 5. 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. 6. 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. 7. ..... 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. 8. 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. 9. ....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. 10. The path of the light is(a) always a straight line(b) a curved line(c) a zig-zag line(d) depends on the medium A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 11. 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. 12. If you wanted a gift to be a surprise, what kind of container would you put it in? A) Transparent. B) Thick. C) Opaque. D) Translucent. Show Answer Correct Answer: C) Opaque. 13. Mark the correct statement A) Convex mirror gives wider field view. B) Convex mirror used by dentist. C) Convex mirror gives real image. D) In convex mirror image size is larger than object. Show Answer Correct Answer: A) Convex mirror gives wider field view. 14. With what is glass coated in order to convert it into a mirror? A) Silver. B) Copper. C) Aluminium. D) Platinum. Show Answer Correct Answer: A) Silver. 15. A ..... can split white light or it can recombine seven colours to form ..... light. A) Spectrum, VIBGYOR. B) VIBGYOR, prism. C) White, Prism. D) Prism, white. Show Answer Correct Answer: D) Prism, white. 16. 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) 5 cm. B) 20 cm. C) 15 cm. D) 25 cm. Show Answer Correct Answer: C) 15 cm. 17. The turning back of light upon hitting a barrier or an obstacle. A) Refraction. B) Diffraction. C) Reflection. D) Interference. Show Answer Correct Answer: C) Reflection. 18. ELECTRIC BULB AND MOON ARE A) LUMINOUS OBJECTS. B) NON LUMINOUS OBJECTS. C) BOTH. D) NONE. Show Answer Correct Answer: D) NONE. 19. 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. 20. 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. 21. 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. 22. Electromagnetic radiation that you can see A) Sound. B) Light. C) Temperature. D) Photons. Show Answer Correct Answer: B) Light. 23. 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. 24. Straight lines that represent light waves A) Rays. B) Image. C) Lines. D) Visible light. Show Answer Correct Answer: A) Rays. 25. 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. ← 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 6Class 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books