This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 8 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does congruent mean? A) Same shape and same size. B) Same shape but not necessarily same size. C) Different shape and different size. D) Different shape but same size. Show Answer Correct Answer: A) Same shape and same size. 2. Which of the following does not have light of its own? A) A torch. B) A lamp. C) The moon. D) The sun. Show Answer Correct Answer: C) The moon. 3. A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at A) 25 cm. B) 10 cm. C) 5 cm. D) At infinity. Show Answer Correct Answer: B) 10 cm. 4. PQR is an isosceles triangle in which altitudes QE and RF are drawn to equal sides PR and PQ respectively. Then: A) QE>RF. B) QE C) QE=RF. D) None of the above. Show Answer Correct Answer: C) QE=RF. 5. Which letter represents the first number in an ordered pair? A) X. B) Y. C) T. D) G. Show Answer Correct Answer: A) X. 6. Level 2 Triangle ABC has vertex A(5, 2). Find the coordinates of A' after a reflection over the x-axis. A) A'(5, -2). B) A'(-5, -2). C) A'(-5, -2). D) A'(5, 2). Show Answer Correct Answer: A) A'(5, -2). 7. When translating up or down on a coordinate plane, what coordinate is affected? A) X-coordinate. B) Y-coordinate. C) All the above. D) None of the above. Show Answer Correct Answer: B) Y-coordinate. 8. A material or substance that a matter wave travels through is ..... A) A block. B) A wall. C) A medium. D) An electromagnetic spectrum. Show Answer Correct Answer: C) A medium. 9. When translating left or right on a coordinate plane, what coordinate is affected? A) X-coordinate. B) Y-coordinate. C) Both x-and y-coordinates. D) Neither the x-nor the y-coordinate. Show Answer Correct Answer: A) X-coordinate. 10. A person is in a room whose ceiling and two adjacent walls are mirrors. How many images are formed A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: C) 7. 11. The refractive index of a glass prism is 1.9. Determine its critical angle. A) 23$^{o}$. B) 30$^{o}$. C) 32$^\circ$. D) 35$^{o}$. Show Answer Correct Answer: C) 32$^\circ$. 12. Image behind the mirror is A) Virtual. B) Real. C) Upside down. D) Upright. Show Answer Correct Answer: A) Virtual. 13. Where is Maria from? A) Australia. B) Greenland. C) Brazil. D) None of the above. Show Answer Correct Answer: C) Brazil. 14. Which is a manmade source of light? A) Flashlight. B) Sun. C) Star. D) Fire. Show Answer Correct Answer: A) Flashlight. 15. MCQ 017When a parallel beam of light falls on polished silver, A) The light will be scattered. B) A convergent beam of light will be reflected. C) A divergent beam of light will be reflected. D) A parallel beam of light will be reflected. Show Answer Correct Answer: D) A parallel beam of light will be reflected. 16. According to the laws of reflection, if i = angle of incidence and r = angle of reflection A) I > r. B) R > i. C) I=r. D) I is not equal to r. Show Answer Correct Answer: C) I=r. 17. Which instrument uses the principle of reflection to measure angles? A) Protractor. B) Sextant. C) Thermometer. D) Barometer. Show Answer Correct Answer: B) Sextant. 18. Quadrilateral PRST is reflected across the y-axis to form Quadrilateral P'R'S'T'. Which rule 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). 19. A light bends when it passes from air into water, and more when it passes from water into glass. What can you conclude from this fact? A) Air is denser than glass. B) Water is denser than glass. C) Glass is denser than water. D) Air is denser than water. Show Answer Correct Answer: C) Glass is denser than water. 20. What transformation is happening?(x, y) $\rightarrow$ (x-2, y + 3) A) Slide up 2, left 3. B) Slide left 2, up 3. C) Slide right 2, down 3. D) Slide left 3, right 2. Show Answer Correct Answer: B) Slide left 2, up 3. 21. How do you write an ordered pair? A) (X, X). B) (Y, X). C) (X, Y). D) (Y, Y). Show Answer Correct Answer: C) (X, Y). 22. When translating a figure on a coordinate plane, which coordinate is affected by movement up and down? A) The x-coordinate. B) The y-coordinate. C) Neither. D) None of the above. Show Answer Correct Answer: B) The y-coordinate. 23. Quadrilateral PQRS is reflected across the y-axis. Which rule describes this transformation? A) (X, Y) $\rightarrow$ (-X, Y). B) (X, Y) $\rightarrow$ (X, -Y). C) (X, Y) $\rightarrow$ (6X, 6Y). D) (X, Y) $\rightarrow$ (X + 6, Y + 4). Show Answer Correct Answer: A) (X, Y) $\rightarrow$ (-X, Y). 24. The river in the Rain forest have a fishes which eat meat, these fishes are called? A) Golden Fish. B) Piranha. C) Whales. D) None of the above. Show Answer Correct Answer: B) Piranha. 25. Which is the first thing we notice the beginning of the every chapter of ES workbook. A) KLW chart. B) KWL chart. C) CKL chart. D) KLK chart. Show Answer Correct Answer: B) KWL chart. 26. A positive sign in the value of magnification indicates that the image is A) Real. B) Virtual. C) Enlarged. D) Near. Show Answer Correct Answer: B) Virtual. 27. Reflect the point G(2, -4) over the y-axis. Where is G'? A) (-4, 2). B) (-2, 4). C) (-2, -4). D) (2, 4). Show Answer Correct Answer: C) (-2, -4). 28. What is reflection? A) Reflection is the bouncing of light off the surface that it strikes on. B) Reflection is the absorbing of light off the surface that it strikes on. C) Reflection is the bending of light off the surface that it strikes on. D) Reflection is the scattering of light off the surface that it strikes on. Show Answer Correct Answer: A) Reflection is the bouncing of light off the surface that it strikes on. 29. Which of the following is not a property of the image formed by a [lane mirror? A) Virtual and erect. B) Object size = image size. C) Object distance = image distance. D) Real and inverted. Show Answer Correct Answer: D) Real and inverted. 30. In the following reaction, identify the salt formed NH$_{4}$OH (aq) + H$_{2}$SO$_{4 }$(aq) $\rightarrow$ ..... + 2H$_{2}$O (l) A) NH$_{4}$NO$_{3}$. B) (NH$_{4}$)$_{2}$SO$_{4}$. C) (NH$_{4}$)$_{3}$PO$_{4}$. D) (NH$_{4}$)$_{2}$S. Show Answer Correct Answer: B) (NH$_{4}$)$_{2}$SO$_{4}$. ← 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