This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Academic Writing > Reflection – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 20 (23 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In a periscope, how many reflections occur for the light to travel from the object to the observer's eye? A) Two. B) Three. C) One. D) Four. Show Answer Correct Answer: A) Two. 2. What is incident ray? A) The ray which strikes any surface. B) The ray which passes through the surface. C) The ray which forms 90 degree with surface. D) The ray which is deflected by a smooth surface. Show Answer Correct Answer: A) The ray which strikes any surface. 3. Which of the following materials would cause the most reflection of light? A) White paper. B) Black cloth. C) Silver foil. D) Clear glass. Show Answer Correct Answer: C) Silver foil. 4. Which rule would represent a translation? A) (x, y) $\rightarrow$ (x + 290, y + 43). B) (x, y) $\rightarrow$ (x-9, 2y). C) D(x, y) $\rightarrow$ (12x, 12y). D) All of these are translation rules. Show Answer Correct Answer: A) (x, y) $\rightarrow$ (x + 290, y + 43). 5. No matter how far you stand from a spherical mirror, your image appears erect. The mirror may be A) Only concave. B) Either plane or convex. C) Only plane. D) Only convex. Show Answer Correct Answer: B) Either plane or convex. 6. Which phrase best completes the following sentence? We see things because: A) They are luminous. B) The Sun shines on them. C) Light from them enters our eyes. D) Light from our eyes shines on them. Show Answer Correct Answer: C) Light from them enters our eyes. 7. Which is the correct algebraic representation for a reflection over the x-axis? A) (x, y) $\rightarrow$ (-x, y ). B) (x, y) $\rightarrow$ ( x, -y ). C) (x, y) $\rightarrow$ ( x, y ). D) None of the above. Show Answer Correct Answer: B) (x, y) $\rightarrow$ ( x, -y ). 8. An object at a distance of + 15 cm is slowly moved towards the pole of a convex mirror. The image will get A) Shortened and real. B) Enlarged and real. C) Enlarge and virtual. D) Diminished and virtual. Show Answer Correct Answer: D) Diminished and virtual. 9. Level 4 The reflection of J (-1, 11) is J' (-1, -11). what is the reflection of D (5, -5) when reflected over the same axis of reflection? A) (-5, -5). B) (5, 5). C) (5, -5). D) (-5, 5). Show Answer Correct Answer: B) (5, 5). 10. MCQ 01Which of the following is the speed of light? A) 300 000 000 metres per second. B) 300 metres per second. C) 30 metres per second. D) 3 metres per second. Show Answer Correct Answer: A) 300 000 000 metres per second. 11. What is the algebraic notation of a figure is Translated 6 units right and 5 units up? A) (x, y) $\rightarrow$ (6x, 5y). B) (x, y) $\rightarrow$ (x + 5, y-6). C) (x, y) $\rightarrow$ (x-6, y + 5). D) (x, y) $\rightarrow$ (x + 6, y + 5). Show Answer Correct Answer: D) (x, y) $\rightarrow$ (x + 6, y + 5). 12. MCQ 09When you look at your face in a mirror, where does your face appear to be? A) Just in front of the mirror. B) An equal distance behind the mirror to what you are in front. C) On the surface of the mirror. D) A long way behind the surface of the mirror. Show Answer Correct Answer: B) An equal distance behind the mirror to what you are in front. 13. Point $A\left(-2, -10\right)$ $y=x$ $A'$ A) $\left(10, 2\right)$. B) $\left(-10, -2\right)$. C) $\left(-2, 10\right)$. D) $\left(2, 10\right)$. Show Answer Correct Answer: B) $\left(-10, -2\right)$. 14. What is the definition of a translation? A) To slide up, down, left, or right. B) To make a circular movement around a point. C) To mirror. D) To flip. Show Answer Correct Answer: A) To slide up, down, left, or right. 15. Anushka put some tea into four cups made up of paper, glass, metal & porcelain. Which cups will allow her to see the level of tea clearly A) Porcelain cup. B) Glass. C) Metal cup. D) Paper cup. Show Answer Correct Answer: B) Glass. 16. Which of these best explains why a student can see her reflection in a computer monitor when the monitor is turned off? A) Black objects absorb most of the light striking them. B) The glass allows light to be transmitted through it. C) Smooth, shiny objects reflect a great amount of light. D) Computers produce light when they are being used. Show Answer Correct Answer: C) Smooth, shiny objects reflect a great amount of light. 17. Nature, position of the image and type of lens used when the magnification is (-1). A) Real, inverted and enlarged image beyond 2F2 obtained from concave lens. B) Virtual, erect and diminished image at 2F1 obtained from concave lens. C) Real, erect and enlarged image at 2F2 obtained from convex lens. D) Real, inverted and similar sized image at 2F2 obtained from convex lens. Show Answer Correct Answer: D) Real, inverted and similar sized image at 2F2 obtained from convex lens. 18. Value of Magnification (m) of a mirror is always + 1, then the mirror is definitely A) A concave mirror. B) A plane mirror. C) A convex mirror. D) None of the above. Show Answer Correct Answer: B) A plane mirror. 19. In the ordered pair (4, 9), which number is the y-coordinate? A) 4. B) 9. C) Neither. D) Both. Show Answer Correct Answer: B) 9. 20. Determine the new coordinates when moving the image over the right one unit on the x-axis. The current coordinates before the translation are:(3, -4), (5, -7), and (1, 4). A) (2, -4), (4, -7), and (0, 4). B) (4, -5), (5, -6), and (1, 5). C) (3, -3), (5, -6), and (1, 5). D) (4, -4), (6, -7), and (2, 4). Show Answer Correct Answer: D) (4, -4), (6, -7), and (2, 4). 21. What happens to the x-and y-coordinates of a point, if it is reflected over the x-axis? A) The x-coordinate stays the same and the y-coordinate changes the sign. B) The x-coordinate changes the sign and the y-coordinate stays the same. C) The x-coordinate and the y-coordinate stay the same. D) None of the above. Show Answer Correct Answer: A) The x-coordinate stays the same and the y-coordinate changes the sign. 22. When we are trying to find the distance between two points in DIFFERENT quadrants, we ..... the absolute values. A) Multiply. B) Subtract. C) Divide. D) Add. Show Answer Correct Answer: D) Add. 23. A plane mirror produces a/an A) A small, real image. B) A large, real image. C) A small, virtual image. D) A same sized, virtual image. Show Answer Correct Answer: D) A same sized, virtual image. ← PreviousRelated QuizzesGrammar QuizzesEnglish Grammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 4Reflection Quiz 5Reflection Quiz 6Reflection Quiz 7Reflection Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books