This quiz works best with JavaScript enabled. Home > Grammar > Academic Writing > Reflection – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Line segment AB, located at A(3, 3) B(1, 2), is reflected over the line x=2. Where is A'B' located? A) A'(1, 3) B'(3, 2). B) A'(4, 3) B'(0, 2). C) A'(3, 4) B'(1, 2). D) A'(3, 2) B'(1, 2). Show Answer Correct Answer: A) A'(1, 3) B'(3, 2). 2. Which is an example of a translucent object? A) A thin sheet of paper. B) A clear glass. C) A thin iron sheet. D) All of these. Show Answer Correct Answer: A) A thin sheet of paper. 3. Which colours reflect more light? A) Bright colours. B) Dark colours. C) All the above. D) None of the above. Show Answer Correct Answer: A) Bright colours. 4. Brazil is part of which continent? A) Asia. B) North America. C) South America. D) None of the above. Show Answer Correct Answer: C) South America. 5. When the object is in between the centre of curvature (C) and focus (F) of a concave mirror, then the position of the image is ..... A) At focus. B) At the centre of curvature. C) At infinity. D) Beyond the centre of curvature. Show Answer Correct Answer: D) Beyond the centre of curvature. 6. Linear magnification of a plane mirror is: A) >1. B) <1. C) = 1. D) 0. Show Answer Correct Answer: C) = 1. 7. The angle of incidence of a ray of light passing through the centre of curvature of a concave mirror is ..... degree A) 105. B) 180. C) 90. D) 0. Show Answer Correct Answer: D) 0. 8. An insect is sitting 80 cm in front of a plane mirror m if the mirror is now moved 0.2 m away from the insect how does the image of the insect from its previous image A) 0.2 m. B) 0.4 m. C) 0.6 m. D) 1.2 m. Show Answer Correct Answer: D) 1.2 m. 9. Which describes a convex lens? A) Triangular in shape. B) More transparent in the middle. C) Thicker on the edges than in the middle. D) Thicker in the middle than on the edges. Show Answer Correct Answer: D) Thicker in the middle than on the edges. 10. A man is sitting on a chair in a dark room near one of the walls. A big mirror is hung on the wall facing the man. When a torch light is put on the man from a distance, then we can see 'X' of the man behind him. At the same time, 'Y' can be observed in the mirror of the wall.Identify X, Y A) Shadow, image. B) Image, reflection. C) All the above. D) None of the above. Show Answer Correct Answer: A) Shadow, image. 11. Reflect the ordered pair (-2, 5) over the x-axis. What are the coordinates for the reflection. A) (2, 5). B) (-2, -5). C) (-2, 5). D) (5, -2). Show Answer Correct Answer: B) (-2, -5). 12. 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). 13. Which of the following best describes the image formed by a convex mirror when the object distance from the mirror is less than the absolute value of the focal length (f)? A) Virtual, upright and enlarged. B) Real, inverted and reduced. C) Virtual, upright and reduced. D) Real, inverted and enlarged. Show Answer Correct Answer: C) Virtual, upright and reduced. 14. Why are Rain forest always very dark? A) Tall, which do not let sun's rays come in. B) Dark black clouds. C) Extremely slanted sun rays. D) None of the above. Show Answer Correct Answer: A) Tall, which do not let sun's rays come in. 15. The co-ordinate points of origin in the co-ordinate plane: A) (x, y). B) (0, 0). C) O. D) None of the above. Show Answer Correct Answer: B) (0, 0). 16. If the power of a lens is-2 D, what is its focal length? A) +50 cm. B) -50 cm. C) -100 cm. D) +100 cm. Show Answer Correct Answer: B) -50 cm. 17. In the following example, try to identify the number of times the velocity of ball changes: "A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team." A) Three times. B) Four times. C) Five times. D) Six times. Show Answer Correct Answer: A) Three times. 18. A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is: A) -30 cm. B) -20 cm. C) -40 cm. D) -60 cm. Show Answer Correct Answer: B) -20 cm. 19. There is light on the Earth even on a dark, cloudy day. This is because clouds are: A) Opaque. B) Transparent. C) Translucent. D) Luminous. Show Answer Correct Answer: C) Translucent. 20. How do you write the algebraic notation when the scale factor is 1/2? A) (x, y) goes to (2x, 2y). B) (x, y) goes to (1/2x, 1/2y). C) (x, y) goes to (-2x, -2y). D) (x, y) goes to (2x, 1/2y). Show Answer Correct Answer: B) (x, y) goes to (1/2x, 1/2y). 21. An object is kept 30cm away from the pole of a mirror. Its inverted image at the same position as that of object then it is A) A concave mirror of focal length 15 cm. B) A convex mirror of focal length 15 cm. C) A plane mirror. D) A concave mirror of focal length 30 cm. Show Answer Correct Answer: A) A concave mirror of focal length 15 cm. 22. A ray of light is incident on a plane mirror and the angle of incidence is 25 degrees. What is the angle of reflection? A) 0 degrees. B) 50 degrees. C) 90 degrees. D) 25 degrees. Show Answer Correct Answer: D) 25 degrees. 23. Reflection in the line x=0, which means A) Reflected in the x-axis. B) Reflected in the y-axis. C) Reflected about the point (0, 0). D) None of the above. Show Answer Correct Answer: B) Reflected in the y-axis. 24. Triangle ABC has vertices A(5, 2). Find the coordinates of ABC 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). 25. If the angle of incidence is 40 degrees, what is the angle of reflection? A) 50 degrees. B) 60 degrees. C) 90 degrees. D) 40 degrees. Show Answer Correct Answer: D) 40 degrees. ← 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