This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which of the following mirrors, image of an object is always virtual, erect and smaller in size than the size of object? A) Convex mirror. B) Concave mirror. C) Plane mirror. D) Both plane and convex mirror. Show Answer Correct Answer: A) Convex mirror. 2. What type of animals do the children see in the Rain forest? A) Butterfly, Toucan, Monkey's. B) Seals, whales, Dolphins. C) Dogs, cows, sheeps. D) None of the above. Show Answer Correct Answer: A) Butterfly, Toucan, Monkey's. 3. Which is a natural source of light? A) Flashlight. B) Cell phone. C) Lightning. D) Headlights. Show Answer Correct Answer: C) Lightning. 4. The angle of incidence for a ray of light having zero reflection angle is: ..... A) 0$^{0}$. B) 30$^{0}$. C) 45$^{0}$. D) 90$^{0}$. Show Answer Correct Answer: A) 0$^{0}$. 5. A ray of light that strikes a plane mirror PQ at an angle of incidence of 30$^{o}$, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is: A) 30$^{o}$. B) 45$^{o}$. C) 60$^{o}$. D) 90$^{o}$. Show Answer Correct Answer: C) 60$^{o}$. 6. When angle of incident (i) equals to critical angle (c) if light is traveled from a denser medium to a less dense medium, A) Total internal reflection occurs. B) Angle of refraction is equal to 90 degree. C) Light is refracted out. D) Light travel in straight line. Show Answer Correct Answer: B) Angle of refraction is equal to 90 degree. 7. When we look in the plane mirror, we will have our own image. What is the phenomenon involved? A) Refraction. B) Reflection. C) Light travels in bent position. D) Inferens. Show Answer Correct Answer: B) Reflection. 8. A device containing two plane mirror which gives us a higher view than a normal is A) Stethoscope. B) Microscope. C) Periscope. D) Telescope. Show Answer Correct Answer: C) Periscope. 9. What is the algebraic representation of a figure is Translated 9 units right and 3 units down? A) (x, y) $\rightarrow$ (x-9, y + 3). B) (x, y) $\rightarrow$ (x + 9, y-3). C) (x, y) $\rightarrow$ (x + 3, y-9). D) (x, y) $\rightarrow$ (9x, 3y). Show Answer Correct Answer: B) (x, y) $\rightarrow$ (x + 9, y-3). 10. Point K(3, -6) is reflected over the y-axis. What is the coordinates of K'? A) (-3, -6). B) (-3, 6). C) (3, 6). D) (3, -6). E) Not here. Show Answer Correct Answer: A) (-3, -6). 11. 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. 12. 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. 13. 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. 14. 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. 15. Which letter represents the first number in an ordered pair? A) X. B) Y. C) T. D) G. Show Answer Correct Answer: A) X. 16. 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). 17. 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. 18. 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. 19. 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. 20. 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. 21. 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$^\circ$. 22. Image behind the mirror is A) Virtual. B) Real. C) Upside down. D) Upright. Show Answer Correct Answer: A) Virtual. 23. Where is Maria from? A) Australia. B) Greenland. C) Brazil. D) None of the above. Show Answer Correct Answer: C) Brazil. 24. Which is a manmade source of light? A) Flashlight. B) Sun. C) Star. D) Fire. Show Answer Correct Answer: A) Flashlight. 25. 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. ← PreviousNext →Related QuizzesGrammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 4Reflection Quiz 5Reflection Quiz 6Reflection Quiz 7Reflection Quiz 8Reflection Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books