This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Academic Writing > Reflection – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Absolute refractive index of any medium is always ..... A) Less than 1. B) Greater than 1. C) 0. D) 1. Show Answer Correct Answer: B) Greater than 1. 2. Which of these best demonstrates the reflection of light? (5.6C) A) Looking through the glass of a large window. B) Looking at a lightbulb that is glowing. C) Looking at an image formed on a silver spoon. D) Looking at a star on a clear night. Show Answer Correct Answer: C) Looking at an image formed on a silver spoon. 3. Level 2 Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'? A) (-5, 4). B) (5, 4). C) (5, -4). D) (-5, -4). Show Answer Correct Answer: D) (-5, -4). 4. Reflecting over the y-axis CHANGES the ..... A) Y-coordinate. B) X-coordinate. C) All the above. D) None of the above. Show Answer Correct Answer: B) X-coordinate. 5. Bouncing of a light ray when it strikes a reflecting surface is called ..... A) Diffraction. B) Dispersion. C) Refraction. D) Reflection. Show Answer Correct Answer: D) Reflection. 6. When the image of an object is seen in a plane mirror, the distance from the mirror to the image depends on(a) the wavelength of light used for viewing. (b) the distance from the object to the mirror. (c) the distance of both the observer and the object to the mirror. A) Only a. B) Only b. C) Only c. D) Both b and c. Show Answer Correct Answer: B) Only b. 7. When we reflect across the x-axis, what changes? A) The sign of the x-coordinate. B) The sign of the y-coordinate. C) Both the x-coordinate and y-coordinate. D) None of the above. Show Answer Correct Answer: B) The sign of the y-coordinate. 8. Which is NOT a source of light? A) Firefly. B) Ball. C) Sun. D) Falshlight. Show Answer Correct Answer: B) Ball. 9. Reflect about the x-axis(5, 9) A) 9, -5. B) 9, 5. C) 5, -9. D) -5, 9. Show Answer Correct Answer: C) 5, -9. 10. The line y = b is parallel to A) . B) The origin. C) X-axis. D) Y-axis. Show Answer Correct Answer: C) X-axis. 11. Quadrilateral ABCD is reflected across the x-axis to create quadrilateral A'B'C'D'. Which algebraicrule describes this transformation? A) (x, y) $\rightarrow$ (-y, x). B) (x, y) $\rightarrow$ (x, -y). C) (x, y) $\rightarrow$ (-x, y). D) (x, y) $\rightarrow$ (-x, -y). Show Answer Correct Answer: B) (x, y) $\rightarrow$ (x, -y). 12. A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from thetop. A) Plane, convex and concave. B) Convex, concave and plane. C) Concave, plane and convex. D) Convex, plane and concave. Show Answer Correct Answer: C) Concave, plane and convex. 13. A ray of light is incident on a plane mirror making an angle of 90$^{0}$ with the mirror surface. The angle of reflection for this ray of light will be: A) 90$^{0}$. B) 0$^{0}$. C) 45$^{0}$. D) 60$^{0}$. Show Answer Correct Answer: B) 0$^{0}$. 14. What is this transformation?(x, y) $\rightarrow$ (-x, y) A) Slide down 1. B) Reflect over the y-axis. C) Reflect over the x axis. D) Slide left 1. Show Answer Correct Answer: B) Reflect over the y-axis. 15. Light will be reflected in many different directions off of a ..... surface. A) Smooth. B) Rough. C) Flat. D) Mirrored. Show Answer Correct Answer: B) Rough. 16. The imaginary line perpendicular to a reflecting surface is called ..... A) Crooked line. B) Parallel line. C) Angular line. D) Normal line. Show Answer Correct Answer: D) Normal line. 17. MCQ 02Why can you see most objects? A) Light refracts through them. B) They emit light. C) They absorb light. D) Light reflects off them. Show Answer Correct Answer: D) Light reflects off them. 18. 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. 19. 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. 20. Which is a natural source of light? A) Flashlight. B) Headlights. C) Lightning. D) Cell phone. Show Answer Correct Answer: C) Lightning. 21. The angle of incidence for a ray of light having zero reflection angle is: ..... A) 90$^{0}$. B) 0$^{0}$. C) 30$^{0}$. D) 45$^{0}$. Show Answer Correct Answer: B) 0$^{0}$. 22. 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) 60$^{o}$. B) 45$^{o}$. C) 90$^{o}$. D) 30$^{o}$. Show Answer Correct Answer: A) 60$^{o}$. 23. When angle of incident (i) equals to critical angle (c) if light is traveled from a denser medium to a less dense medium, A) Angle of refraction is equal to 90 degree. B) Total internal reflection occurs. C) Light travel in straight line. D) Light is refracted out. Show Answer Correct Answer: A) Angle of refraction is equal to 90 degree. 24. When we look in the plane mirror, we will have our own image. What is the phenomenon involved? A) Refraction. B) Reflection. C) Inferens. D) Light travels in bent position. Show Answer Correct Answer: B) Reflection. 25. A device containing two plane mirror which gives us a higher view than a normal is A) Telescope. B) Stethoscope. C) Periscope. D) Microscope. Show Answer Correct Answer: C) Periscope. 26. 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: A) (x, y) $\rightarrow$ (x + 9, y-3). 27. 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) Not here. E) (-3, -6). Show Answer Correct Answer: E) (-3, -6). 28. 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. 29. Which of the following does not have light of its own? A) The moon. B) A torch. C) A lamp. D) The sun. Show Answer Correct Answer: A) The moon. 30. 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) At infinity. C) 5 cm. D) 10 cm. Show Answer Correct Answer: D) 10 cm. ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 4Reflection Quiz 5Reflection Quiz 6Reflection Quiz 8Reflection Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books