This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Materials that do not let any light pass through them A) Opaque. B) Translucent. C) Transparent. D) Reflection. Show Answer Correct Answer: A) Opaque. 2. Blue+green+red = (a) A) A. white. B) Baby pink. C) Black. D) None of the above. Show Answer Correct Answer: A) A. white. 3. Light carries energy in the form of ..... energy. A) Atomic. B) Chemical. C) Radiant. D) Mechanical. Show Answer Correct Answer: C) Radiant. 4. Complete the sentence to explain the different paths of red light and violet light. Red light travels at a ..... speed inside the glass block than violet light. A) Different. B) Equal. C) Slower. D) Greater. Show Answer Correct Answer: D) Greater. 5. Can be used to identify heat signatures of people lost in the wilderness A) Infrared. B) Radio. C) Microwaves. D) Ultraviolet (UV). E) X-Rays. Show Answer Correct Answer: A) Infrared. 6. A concave mirror is also known as a diverging mirror A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Is Light a Particle or Wave A) Both. B) Particle. C) Waves. D) None. Show Answer Correct Answer: A) Both. 8. 5) A concave mirror produces a magnification of +4. The object is placed: A) A ) at the focus. B) B) Between focus and centre of curvature. C) (c) Between focus and pole. D) D) Beyond the centre of curvature. Show Answer Correct Answer: C) (c) Between focus and pole. 9. Transmit A) To take in. B) Bounce back. C) To allow light to pass through. D) None of the above. Show Answer Correct Answer: C) To allow light to pass through. 10. Light takes around ..... minutes to travel from the sun to the Earth. A) Seven. B) Five. C) Six. D) Eight. Show Answer Correct Answer: D) Eight. 11. What is the difference the way light interacts with the shirt and the way light interacts with the mirror? A) The shirt reflects light while mirror absorbs light. B) The shirt absorbs the light while mirror reflects light. C) The shirt transmit light while mirror scatters light. D) The shirt absorbs light while mirror transmit light. Show Answer Correct Answer: B) The shirt absorbs the light while mirror reflects light. 12. A combination of all the wavelengths with in the visible light portion of the electromagnetic spectrum will result in which of the following colors? A) White. B) Red. C) Violet. D) Blue. Show Answer Correct Answer: A) White. 13. Madhav is pushing the door closed. He cannot see through the door because it is- A) Opaque. B) Translucent. C) Transparent. D) None of the above. Show Answer Correct Answer: A) Opaque. 14. The two types of spherical mirrors are ..... A) Flat and plane. B) Concave and plane. C) Convex and concave. D) Plane and rectangular. Show Answer Correct Answer: C) Convex and concave. 15. The ray coming from a source is called? A) Reflected ray. B) Incident ray. C) Normal ray. D) Principal ray. Show Answer Correct Answer: B) Incident ray. 16. Shadow of an object is always A) Colourful. B) White. C) Black. D) Transparent. Show Answer Correct Answer: C) Black. 17. What is the Corona? (BONUS) A) The temperature of the sun. B) The outer most layer of the Sun's atmosphere. C) Another name for the Electromagnetic Spectrum. D) The measurement of the crests and troughs on a transverse wave. Show Answer Correct Answer: B) The outer most layer of the Sun's atmosphere. 18. Where would an object be placed to get an image at the centre of the curvature of a concave mirror? A) At focus. B) At infinity. C) At centre of the curvature. D) Between F and C. Show Answer Correct Answer: C) At centre of the curvature. 19. The mirror which forms the image whose magnification always positive is ..... A) Convex. B) Concave. C) Converging. D) Plane. Show Answer Correct Answer: A) Convex. 20. A ray of light travelling in air enters obliquely into water. The light rat will bend A) Towards the normal. B) Away from normal. C) Will not bend. D) None. Show Answer Correct Answer: A) Towards the normal. 21. This object is thick in the middle A) Convex. B) Concave. C) Prism. D) Mirror. Show Answer Correct Answer: A) Convex. 22. Which of the following characteristic of an image formed for a convex mirror? A) Enlarged size. B) Virtual image. C) Real image. D) Inverted image. Show Answer Correct Answer: B) Virtual image. 23. If light is bouncing back from a surface, those rays are called? A) Incident ray. B) Reflected ray. C) Normal ray. D) Principal ray. Show Answer Correct Answer: B) Reflected ray. 24. WHERE WOULD BE A SHADY PLACE TO STAND ON A SUNNY DAY? A) IN THE MIDDLE OF A FOOTBALL GROUND. B) IN THE SEA. C) UNDER A TREE. D) NONE OF THE ABOVE. Show Answer Correct Answer: C) UNDER A TREE. 25. Light is a form of ..... that can move through space. A) Rays. B) Colors. C) Energy. D) Mirrors. Show Answer Correct Answer: C) Energy. ← 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