This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does it mean to refract? A) Bounce off. B) To bend. C) Curve outward. D) Reflect. Show Answer Correct Answer: B) To bend. 2. The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as A) Refraction. B) Polarization. C) Absorption. D) Reflection. Show Answer Correct Answer: D) Reflection. 3. Which of the following optical equipment applies the principle of Full Reflection? A) Binocular. B) Periscope. C) Telescope. D) Projector. Show Answer Correct Answer: B) Periscope. 4. In which medium does light travel the fastest? A) Water. B) Glass. C) Air. D) Diamond. Show Answer Correct Answer: C) Air. 5. A point Q with coordinates (-8, -6) is reflected across the y-axis. What are its new coordinates? A) (-8, 6). B) (8, -6). C) (-8, 6). D) (-6, -8). Show Answer Correct Answer: B) (8, -6). 6. 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). 7. 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. 8. 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. 9. 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). 10. 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. 11. 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 ). 12. 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. 13. 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. 14. 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. 15. 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. 16. 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. 17. 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). 18. 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. 19. $\Delta$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). 20. 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. 21. 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. 22. 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. 23. 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. 24. 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. 25. 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). ← 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