This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An object that absorbs all the colors in the visible spectrum will appear? A) Invisible. B) Red. C) Black. D) White. Show Answer Correct Answer: C) Black. 2. When we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This phenomenon is called: A) Directional contradiction. B) Lateral inversion. C) Lateral projection. D) Illusory image. Show Answer Correct Answer: B) Lateral inversion. 3. Light is a kind of ..... A) Reflection. B) Energy. C) Heat. D) Matter. Show Answer Correct Answer: B) Energy. 4. ..... objects cast dark shadows. A) Transparent. B) Translucent. C) Opaque. D) Rough. Show Answer Correct Answer: C) Opaque. 5. A candle is kept between F and P of a concave mirror. Can this image be projected on a screen? A) Yes it can be. B) No it cannot be. C) Cannot be predicted. D) None of the above. Show Answer Correct Answer: B) No it cannot be. 6. A dark shape formed when an opaque object is placed in the way of light is called ..... A) Glass. B) Transparent. C) Shadow. D) Heat. Show Answer Correct Answer: C) Shadow. 7. Which of the following is a synonym for the phrase "soak up" ? A) Absorb. B) Reflect. C) Refract. D) None of the above. Show Answer Correct Answer: A) Absorb. 8. Which type of image formed by plane mirror? A) Same size. B) Erect. C) Virtual. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. A lens that curves inward A) Concave. B) Convex. C) All the above. D) None of the above. Show Answer Correct Answer: A) Concave. 10. Which object would a sound wave travel the fastest through? A) Brick wall. B) Pool. C) Oxygen. D) Lake. Show Answer Correct Answer: A) Brick wall. 11. Objects that generate their own light are called: A) Luminous objects. B) Illuminated objects. C) Non-luminous objects. D) Reflective objects. Show Answer Correct Answer: A) Luminous objects. 12. Shadow is sharpest during A) Day light. B) Dim light. C) Star light. D) Night light. Show Answer Correct Answer: A) Day light. 13. A medium that allows NO light to pass through A) Transparent. B) Translucent. C) Opaque. D) Solid. Show Answer Correct Answer: C) Opaque. 14. All light passes through materials= ..... A) Opaque. B) Transparent. C) Translucent. D) None of the above. Show Answer Correct Answer: B) Transparent. 15. A light year is ..... A) The speed light travels. B) How long it takes light to get to you from the sun. C) The distance light can travel in a year. D) How many years it takes light to be emitted. Show Answer Correct Answer: C) The distance light can travel in a year. 16. If you touch your ..... ear with right hand in front of a plane mirror, it will be seen that the your right ear is touched with ..... hand A) Right, Right. B) Right, Left. C) Left, Left. D) Left, Right. Show Answer Correct Answer: C) Left, Left. 17. Rainbows are produced when A) Light exits many raindrops at different angles. B) The sun causes a rainstorm. C) The spectrum causes a rainstorm. D) The sun comes out after a storm. Show Answer Correct Answer: A) Light exits many raindrops at different angles. 18. Image formed by a plane mirror is A) Virtual and erect. B) Real and erect. C) Virtual and inverted. D) Real and inverted. Show Answer Correct Answer: A) Virtual and erect. 19. A shadow is created when ..... A) An object blocks the light. B) An object lets light pass thru. C) An object is above light. D) None of the above. Show Answer Correct Answer: A) An object blocks the light. 20. How do the lenses in eyeglasses help correct a person's vision? A) They reflect it. B) They absorb it. C) They bend it. D) Separate it into colors. Show Answer Correct Answer: C) They bend it. 21. Shadow is similar in ..... as that of opaque object A) Shape. B) Light. C) All the above. D) None of the above. Show Answer Correct Answer: A) Shape. 22. Image formed by a mirror having a focal length of 20 cm, reduced to 1/3$^{rd}$ of its size, is formed behind the mirror. At what distance the object has been placed from the mirror? A) 20 cm. B) 40 cm. C) 10 cm. D) 30 cm. Show Answer Correct Answer: B) 40 cm. 23. Objects that block all light and create shadows A) Transparent. B) Prism. C) Translucent. D) Opaque. Show Answer Correct Answer: D) Opaque. 24. What does a source of light do? A) Makes light. B) Reflects light. C) Absorbs light. D) None of the above. Show Answer Correct Answer: A) Makes light. 25. A blue object appears blue because it ..... blue light. A) Absorbs. B) Reflects. C) Refracts. D) Likes. Show Answer Correct Answer: B) Reflects. ← 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