This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Academic Writing > Reflection – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 13 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The mirror which has a wider field A) Plane mirror. B) Convex mirror. C) Concave mirror. D) None of the above. Show Answer Correct Answer: B) Convex mirror. 2. MCQ 012A ray of light is incident on a plane mirror and the angle of reflection is 50 degrees. What is the angle between the incident ray and the reflected ray? A) 100 degrees. B) 25 degrees. C) 50 degrees. D) 90 degrees. Show Answer Correct Answer: A) 100 degrees. 3. In a periscope, how is light directed to allow viewing over obstacles? A) Through refraction. B) By reflection. C) Using lenses. D) By absorption. Show Answer Correct Answer: B) By reflection. 4. Which transformation does this coordinate rule show? (x, y) $\rightarrow$ (-x, y) A) Translation 4 units left. B) Reflection over y-axis. C) Translation 2 units down. D) Reflection over x-axis. Show Answer Correct Answer: B) Reflection over y-axis. 5. In order to see a picture it must A) Produce light. B) Reflect light. C) Absorb light. D) None of the above. Show Answer Correct Answer: B) Reflect light. 6. A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at: A) At the pole. B) Behind the mirror. C) At infinity. D) At focus. Show Answer Correct Answer: B) Behind the mirror. 7. The angle produced as a source of light bounces off a reflecting surface is called ..... A) Angle of reflection. B) Angle of bounce. C) Angle of crookedness. D) Angle of incidence. Show Answer Correct Answer: A) Angle of reflection. 8. Which of these statements is true? A) Light travels in straight lines. B) Light is stopped when it meets a solid object. C) Light does not travel in straight lines. D) Light will only travel for about 2000km before it stops. Show Answer Correct Answer: A) Light travels in straight lines. 9. 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'(4, 3) B'(0, 2). B) A'(1, 3) B'(3, 2). C) A'(3, 4) B'(1, 2). D) A'(3, 2) B'(1, 2). Show Answer Correct Answer: B) A'(1, 3) B'(3, 2). 10. 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. 11. 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. 12. 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. 13. 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) Beyond the centre of curvature. D) At infinity. Show Answer Correct Answer: C) Beyond the centre of curvature. 14. The angle of incidence of a ray of light passing through the centre of curvature of a concave mirror is ..... degree A) 180. B) 105. C) 0. D) 90. Show Answer Correct Answer: C) 0. 15. 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) 0.4 m. B) 0.2 m. C) 1.2 m. D) 0.6 m. Show Answer Correct Answer: C) 1.2 m. 16. Which describes a convex lens? A) Thicker on the edges than in the middle. B) Triangular in shape. C) Thicker in the middle than on the edges. D) More transparent in the middle. Show Answer Correct Answer: C) Thicker in the middle than on the edges. 17. 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. 18. Reflect the ordered pair (-2, 5) over the x-axis. What are the coordinates for the reflection. A) (5, -2). B) (-2, -5). C) (-2, 5). D) (2, 5). Show Answer Correct Answer: B) (-2, -5). 19. 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: D) (5, 5). 20. 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. 21. 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. 22. 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). 23. If the power of a lens is-2 D, what is its focal length? A) -50 cm. B) -100 cm. C) +50 cm. D) +100 cm. Show Answer Correct Answer: A) -50 cm. 24. 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) Four times. B) Six times. C) Three times. D) Five times. Show Answer Correct Answer: C) Three times. 25. 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) -40 cm. B) -60 cm. C) -20 cm. D) -30 cm. Show Answer Correct Answer: C) -20 cm. 26. There is light on the Earth even on a dark, cloudy day. This is because clouds are: A) Luminous. B) Opaque. C) Translucent. D) Transparent. Show Answer Correct Answer: C) Translucent. 27. 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). 28. 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 concave mirror of focal length 30 cm. C) A plane mirror. D) A convex mirror of focal length 15 cm. Show Answer Correct Answer: A) A concave mirror of focal length 15 cm. 29. 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) 50 degrees. B) 0 degrees. C) 90 degrees. D) 25 degrees. Show Answer Correct Answer: D) 25 degrees. 30. 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. ← PreviousNext →Related 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