This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the concave reflector of a torch, the bulb is placed: A) Between the pole and focus of reflector. B) At the focus of reflector. C) Between focus and centre of curvature of reflector. D) At the centre of curvature of reflector at the centre of curvature of reflector. Show Answer Correct Answer: B) At the focus of reflector. 2. An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is: A) 2 cm. B) 4 cm. C) 10 cm. D) 20 cm. Show Answer Correct Answer: A) 2 cm. 3. Reflect the point (2, -4) over y = x. A) (-4, 2). B) (4, -2). C) (-2, -4). D) (2, -4). Show Answer Correct Answer: A) (-4, 2). 4. True or False:A reflection is a rigid transformation. A) Not applicable. B) Partially true. C) False. D) True. Show Answer Correct Answer: D) True. 5. What is the primary focus of a servant leader? A) Putting personal needs above others. B) Exercising authority and control over others. C) Ignoring the needs of others and focusing on personal goals. D) Prioritizing the needs of others and serving them first. Show Answer Correct Answer: D) Prioritizing the needs of others and serving them first. 6. How many components of white light? A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: C) 7. 7. What type of transformation is shown by this rule?(x, y)$\rightarrow$ (x + 3, y) A) Rotation. B) Reflection. C) Translation. D) Dilation. Show Answer Correct Answer: C) Translation. 8. What does a translation do to an image? A) Turns it 90* clockwise. B) Mirrors it. C) Shrinks it. D) Slides it. Show Answer Correct Answer: D) Slides it. 9. Angles are always measured from the: A) Boundary. B) Normal. C) Incident Ray. D) Reflected Ray. Show Answer Correct Answer: B) Normal. 10. The speed of light in vacuum is A) $3\times10^8m/s$. B) $2.8\times10^8m/s$. C) $3\times10^7m/s$. D) $3\times10^9m/s$. Show Answer Correct Answer: A) $3\times10^8m/s$. 11. True or false:A reflection changes the size of a figure. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. When reflecting over the x-axis, which coordinate stays the same? A) X-coordinate. B) Y-coordinate. C) Both coordinates stay the same. D) Both coordinates change. Show Answer Correct Answer: A) X-coordinate. 13. What is the algebraic representation of translating a figure 3 units left and 5 units down? A) (x+5, y-3). B) (x-5, y+3). C) (x-3, y+5). D) (x-3, y-5). Show Answer Correct Answer: D) (x-3, y-5). 14. The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of object should be: ..... A) At the focus. B) At the centre of curvature. C) Between focus and centre of curvature. D) Beyond centre of curvature. Show Answer Correct Answer: B) At the centre of curvature. 15. ..... occurs when light hits an irregular surface. A) Diffuse reflection. B) Regular reflection. C) No reflection. D) None of the above. Show Answer Correct Answer: A) Diffuse reflection. 16. When light bounces back it is ..... A) Reflected. B) Refracted. C) Absorbed. D) Optical Density. Show Answer Correct Answer: A) Reflected. 17. Reflections produce ..... figures. A) Different. B) Similar. C) Congruent. D) None of the above. Show Answer Correct Answer: C) Congruent. 18. Reflection is when light ..... A) Bends. B) Bounces. C) Absorbs. D) Transmits. Show Answer Correct Answer: B) Bounces. 19. How does light travel? A) In a wavy path. B) In a straight path. C) In a zig zag path. D) None of the above. Show Answer Correct Answer: B) In a straight path. 20. If the image is formed in front of the mirror, then the image distance will be A) Positive or negative depending on the size of the object. B) Neither positive nor negative. C) Positive. D) Negative. Show Answer Correct Answer: D) Negative. 21. A converging lens is also known as a ..... lens. A) Convex. B) Concave. C) Double. D) Refracted. Show Answer Correct Answer: A) Convex. 22. Which axis is the horizontal (left-right) one? A) X-axis. B) Y-axis. C) All the above. D) None of the above. Show Answer Correct Answer: A) X-axis. 23. The new shape is called the ..... A) Copy. B) Mirror. C) Image. D) None of the above. Show Answer Correct Answer: C) Image. 24. How is refraction different from reflection. A) Reflection is the bouncing of light off an object and refraction is the bending of light when it moves through one kind of matter to another. B) Reflections is the bending of light when it moves through one kind of matter to another and refraction is the bouncing of light off an object. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reflection is the bouncing of light off an object and refraction is the bending of light when it moves through one kind of matter to another. 25. When light passes from air to water, what happens to the speed of the light? A) Speeds up. B) Slows down. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Slows down. ← 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