This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 12 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which algebraic rule will produce a translation that is 5 units to the right? A) (x, y) $\rightarrow$ ( x, y + 5). B) (x, y) $\rightarrow$ ( x-5, y + 5). C) (x, y) $\rightarrow$ ( x-2, y + 5). D) (x, y) $\rightarrow$ ( x+5, y). Show Answer Correct Answer: D) (x, y) $\rightarrow$ ( x+5, y). 2. What is the angle between the incident ray and the reflected ray if the angle of incidence is 30 degrees? A) 30 degrees. B) 60 degrees. C) 90 degrees. D) 120 degrees. Show Answer Correct Answer: C) 90 degrees. 3. When the Sun is behind you, your shadow is ..... A) Behind you. B) In front of you. C) At the side of you. D) Not there. Show Answer Correct Answer: B) In front of you. 4. Which rule would represent a dilation? A) (x, y) $\rightarrow$ (x-3, y + 4). B) (x, y) $\rightarrow$ (3x, 4y). C) (x, y) $\rightarrow$ (x, -y). D) (x, y) $\rightarrow$ (3x, 3y). E) (x, y) $\rightarrow$ (-x, y). Show Answer Correct Answer: D) (x, y) $\rightarrow$ (3x, 3y). 5. When the object is at infinity, a point sized image is formed at ..... by the convex mirror A) Focus behind the mirror. B) Focus in front of the mirror. C) Radius of curvature. D) Principal axis. Show Answer Correct Answer: A) Focus behind the mirror. 6. When you rotate 90 degrees the ( x, y ) becomes? A) ( y, x ). B) (-y, x ). C) (-x, y ). D) (-x, -y ). Show Answer Correct Answer: B) (-y, x ). 7. The relation between focal length and radius of curvature is A) R = 2f. B) 1/f = 2R. C) F = R/2. D) R = 2/f. Show Answer Correct Answer: C) F = R/2. 8. What does this transformation say to do?(x, y) $\rightarrow$ (x, y +4) A) Slide down 4. B) Slide up 4. C) Slide right 4. D) Slide left 4. Show Answer Correct Answer: B) Slide up 4. 9. If a figure is dilated by a scale factor of 1/3, what happens to perimeter? A) 1/3 of the size. B) 1/9 the size. C) 2/3 the size. D) Not here. E) 2/9. Show Answer Correct Answer: A) 1/3 of the size. 10. What is the reflected ray? A) The ray which forms 90 degree angle with the surface. B) The ray which gets deflected from the surface. C) The ray which passes through the surface. D) The ray which strikes the surface. Show Answer Correct Answer: B) The ray which gets deflected from the surface. 11. MCQ 011 According to the laws of reflection, if i = angle of incidence and r = angle of reflection, A) I = r. B) I > r. C) R > i. D) I is not equal to r. Show Answer Correct Answer: A) I = r. 12. The image of B(3, -2) after reflected in the x-axis is A) B'(-3, -2). B) B'(3, 2). C) B'(3, -2). D) B'(2, -3). Show Answer Correct Answer: B) B'(3, 2). 13. A plant grown in the garden will be a healthy plant. A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 14. $\Delta$J'K'L' is the image after reflecting $\Delta$JKL across the y-axis. The coordinates of J' are (1, 7). What are the coordinates of J? A) (1, -7). B) (-1, 7). C) (-1, -7). D) (7, 1). Show Answer Correct Answer: B) (-1, 7). 15. The image formed by a concave mirror when the object is placed between the pole and the focus is ..... A) Virtual, erect and magnified. B) Virtual, erect and diminished. C) Real, inverted and magnified. D) Real, inverted and diminished. Show Answer Correct Answer: A) Virtual, erect and magnified. 16. How many types of Rainforests are there and what are they? A) 1-Polar Forest. B) 2-Tropical and Temperate. C) 4-Tropica, Temperate, polar, cold forests. D) None of the above. Show Answer Correct Answer: B) 2-Tropical and Temperate. 17. How many days does it rain in a rain forest? A) 600 days. B) 200 days. C) 40 days. D) None of the above. Show Answer Correct Answer: B) 200 days. 18. Which of the following would be an example of using a convex mirror effectively? A) Satellite dishes for collecting radio waves. B) Otoscopic mirror for concentrating light. C) Dental mirror for closer examination. D) Security mirror in store to increase range of view. Show Answer Correct Answer: D) Security mirror in store to increase range of view. 19. The point on the lens through which ray of light passes on un deviated is A) Optic centre. B) Principle focus. C) Focal length. D) Aperture. Show Answer Correct Answer: A) Optic centre. 20. What is the algebraic notation of a figure is Translated 2 units right and 5 units up? A) (x, y) $\rightarrow$ (x-2, y-5). B) (x, y) $\rightarrow$ (x + 2, y + 5). C) (x, y) $\rightarrow$ (x + 5, y-2). D) (x, y) $\rightarrow$ (5x, 2y). Show Answer Correct Answer: B) (x, y) $\rightarrow$ (x + 2, y + 5). 21. Light always travels in a A) Straight line. B) Wavy line. C) Curved line. D) Zig-zag line. Show Answer Correct Answer: A) Straight line. 22. Power of a lens is the ..... of its focal length. A) Value. B) Reciprocal. C) 2 times. D) Half. Show Answer Correct Answer: B) Reciprocal. 23. Level 1 True or false:When a point is reflected across a line of symmetry, it remains the same distance from the line. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Reflect (6, -3) over the x-axis. A) (6, 3). B) (-6, -3). C) (-3, 6). D) (3, -6). Show Answer Correct Answer: A) (6, 3). 25. When translating LEFT or RIGHT you are moving on the ..... axis. A) X. B) Y. C) All the above. D) None of the above. Show Answer Correct Answer: A) X. 26. When an opaque object comes in the path of light it forms ..... A) An image with colors. B) Shadow. C) Black and white image. D) Depends on the colour of the light. Show Answer Correct Answer: B) Shadow. 27. An arrow that points north is rotated 90$^\circ$ clockwise. What direction does the arrow point after the rotation? A) Northeast. B) East. C) West. D) Southwest. Show Answer Correct Answer: B) East. 28. 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). 29. Another name for $y=0$ A) Y-axis. B) X-axis. C) $x=0$. D) $y=1$. Show Answer Correct Answer: B) X-axis. 30. When you rotate 180 degrees the ( x, y ) becomes? A) ( y, x ). B) (-y, x ). C) (-x, y ). D) (-x, -y ). Show Answer Correct Answer: D) (-x, -y ). ← PreviousNext →Related QuizzesGrammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 4Reflection Quiz 5Reflection Quiz 6Reflection Quiz 7Reflection Quiz 8Reflection Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books