This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Out of these, which one is not a man-made luminous body? A) Electric bulb. B) Burning candle. C) The Sun. D) Oil lamp. Show Answer Correct Answer: C) The Sun. 2. Identify the rule after a 180$^\circ$ CLOCKWISE or COUNTER CLOCKWISE(x, y) $\rightarrow$ ..... A) (-x, -y). B) (-y, x). C) (-x, y). D) (y, -x). Show Answer Correct Answer: A) (-x, -y). 3. A ..... mirror is used as a head mirror by the doctors to concentrate light on the body parts to be examined. A) Concave. B) Convex. C) All the above. D) None of the above. Show Answer Correct Answer: A) Concave. 4. Which of the following mirror is used by a dentist to examine a small cavity? A) Convex mirror. B) Concave mirror. C) Plane mirror. D) Combination of convex and concave mirror. Show Answer Correct Answer: B) Concave mirror. 5. True or False:A reflection preserves the size and shape of a figure. A) False. B) A reflection changes the size but preserves the shape. C) A reflection changes the shape but preserves the size. D) True. Show Answer Correct Answer: D) True. 6. When translating UP or DOWN you are moving on the ..... axis. A) X. B) Y. C) All the above. D) None of the above. Show Answer Correct Answer: B) Y. 7. A positive magnification greater than unity indicates A) Real image. B) Virtual image. C) Neither real not virtual image. D) Distorted image. Show Answer Correct Answer: B) Virtual image. 8. A transformation is done without changing the ..... or the shape. A) Size. B) Direction. C) Rotation. D) None of the above. Show Answer Correct Answer: A) Size. 9. Absolute refractive index of any medium is always ..... A) Less than 1. B) Greater than 1. C) 1. D) 0. Show Answer Correct Answer: B) Greater than 1. 10. Which of these best demonstrates the reflection of light? (5.6C) A) Looking through the glass of a large window. B) Looking at an image formed on a silver spoon. C) Looking at a lightbulb that is glowing. D) Looking at a star on a clear night. Show Answer Correct Answer: B) Looking at an image formed on a silver spoon. 11. Level 2 Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'? A) (5, 4). B) (-5, -4). C) (5, -4). D) (-5, 4). Show Answer Correct Answer: B) (-5, -4). 12. Reflecting over the y-axis CHANGES the ..... A) Y-coordinate. B) X-coordinate. C) All the above. D) None of the above. Show Answer Correct Answer: B) X-coordinate. 13. Bouncing of a light ray when it strikes a reflecting surface is called ..... A) Refraction. B) Dispersion. C) Reflection. D) Diffraction. Show Answer Correct Answer: C) Reflection. 14. When the image of an object is seen in a plane mirror, the distance from the mirror to the image depends on(a) the wavelength of light used for viewing. (b) the distance from the object to the mirror. (c) the distance of both the observer and the object to the mirror. A) Only a. B) Only b. C) Only c. D) Both b and c. Show Answer Correct Answer: B) Only b. 15. When we reflect across the x-axis, what changes? A) The sign of the x-coordinate. B) The sign of the y-coordinate. C) Both the x-coordinate and y-coordinate. D) None of the above. Show Answer Correct Answer: B) The sign of the y-coordinate. 16. Which is NOT a source of light? A) Firefly. B) Ball. C) Sun. D) Falshlight. Show Answer Correct Answer: B) Ball. 17. Reflect about the x-axis(5, 9) A) -5, 9. B) 9, 5. C) 5, -9. D) 9, -5. Show Answer Correct Answer: C) 5, -9. 18. The line y = b is parallel to A) . B) Y-axis. C) X-axis. D) The origin. Show Answer Correct Answer: C) X-axis. 19. Quadrilateral ABCD is reflected across the x-axis to create quadrilateral A'B'C'D'. Which algebraicrule describes this transformation? A) (x, y) $\rightarrow$ (x, -y). B) (x, y) $\rightarrow$ (-x, y). C) (x, y) $\rightarrow$ (-x, -y). D) (x, y) $\rightarrow$ (-y, x). Show Answer Correct Answer: A) (x, y) $\rightarrow$ (x, -y). 20. A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from thetop. A) Plane, convex and concave. B) Convex, concave and plane. C) Concave, plane and convex. D) Convex, plane and concave. Show Answer Correct Answer: C) Concave, plane and convex. 21. A ray of light is incident on a plane mirror making an angle of 90$^{0}$ with the mirror surface. The angle of reflection for this ray of light will be: A) 45$^{0}$. B) 90$^{0}$. C) 0$^{0}$. D) 60$^{0}$. Show Answer Correct Answer: C) 0$^{0}$. 22. What is this transformation?(x, y) $\rightarrow$ (-x, y) A) Reflect over the x axis. B) Reflect over the y-axis. C) Slide down 1. D) Slide left 1. Show Answer Correct Answer: B) Reflect over the y-axis. 23. Light will be reflected in many different directions off of a ..... surface. A) Rough. B) Smooth. C) Flat. D) Mirrored. Show Answer Correct Answer: A) Rough. 24. The imaginary line perpendicular to a reflecting surface is called ..... A) Crooked line. B) Parallel line. C) Angular line. D) Normal line. Show Answer Correct Answer: D) Normal line. 25. MCQ 02Why can you see most objects? A) They emit light. B) Light refracts through them. C) Light reflects off them. D) They absorb light. Show Answer Correct Answer: C) Light reflects off them. ← PreviousNext →Related QuizzesGrammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 4Reflection Quiz 5Reflection Quiz 6Reflection Quiz 7Reflection Quiz 9Reflection Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books