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 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which transformation does this coordinate rule show? (x, y) $\rightarrow$ (-x, y) A) Reflection over y-axis. B) Translation 4 units left. C) Translation 2 units down. D) Reflection over x-axis. Show Answer Correct Answer: A) Reflection over y-axis. 2. 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. 3. 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) At infinity. C) At focus. D) Behind the mirror. Show Answer Correct Answer: D) Behind the mirror. 4. The angle produced as a source of light bounces off a reflecting surface is called ..... A) Angle of incidence. B) Angle of reflection. C) Angle of crookedness. D) Angle of bounce. Show Answer Correct Answer: B) Angle of reflection. 5. Which of these statements is true? A) Light travels in straight lines. B) Light will only travel for about 2000km before it stops. C) Light is stopped when it meets a solid object. D) Light does not travel in straight lines. Show Answer Correct Answer: A) Light travels in straight lines. 6. 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'(3, 4) B'(1, 2). B) A'(1, 3) B'(3, 2). C) A'(3, 2) B'(1, 2). D) A'(4, 3) B'(0, 2). Show Answer Correct Answer: B) A'(1, 3) B'(3, 2). 7. 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. 8. 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. 9. 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. 10. 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 the centre of curvature. B) At focus. C) At infinity. D) Beyond the centre of curvature. Show Answer Correct Answer: D) Beyond the centre of curvature. 11. The angle of incidence of a ray of light passing through the centre of curvature of a concave mirror is ..... degree A) 90. B) 0. C) 180. D) 105. Show Answer Correct Answer: B) 0. 12. 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) 1.2 m. B) 0.2 m. C) 0.6 m. D) 0.4 m. Show Answer Correct Answer: A) 1.2 m. 13. Which describes a convex lens? A) Thicker in the middle than on the edges. B) More transparent in the middle. C) Triangular in shape. D) Thicker on the edges than in the middle. Show Answer Correct Answer: A) Thicker in the middle than on the edges. 14. 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. 15. 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: A) (-2, -5). 16. 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). 17. 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. 18. 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. 19. 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). 20. 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: A) -50 cm. 21. 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. 22. 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) -30 cm. D) -20 cm. Show Answer Correct Answer: D) -20 cm. 23. There is light on the Earth even on a dark, cloudy day. This is because clouds are: A) Opaque. B) Transparent. C) Luminous. D) Translucent. Show Answer Correct Answer: D) Translucent. 24. How do you write the algebraic notation when the scale factor is 1/2? A) (x, y) goes to (2x, 1/2y). B) (x, y) goes to (1/2x, 1/2y). C) (x, y) goes to (2x, 2y). D) (x, y) goes to (-2x, -2y). Show Answer Correct Answer: B) (x, y) goes to (1/2x, 1/2y). 25. 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 30 cm. B) A concave mirror of focal length 15 cm. C) A plane mirror. D) A convex mirror of focal length 15 cm. Show Answer Correct Answer: B) A concave mirror of focal length 15 cm. 26. 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. 27. 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. 28. 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: D) A'(5, -2). 29. If the angle of incidence is 40 degrees, what is the angle of reflection? A) 90 degrees. B) 50 degrees. C) 60 degrees. D) 40 degrees. Show Answer Correct Answer: D) 40 degrees. 30. The image of an object, which is placed one foot in front of a plane mirror, will be ..... A) Behind the mirror and reversed, left to right. B) Behind the mirror. C) In front of the mirror and reversed, left to right. D) In front of the mirror. Show Answer Correct Answer: A) Behind the mirror and reversed, left to right. 31. Reflections are always ..... A) Congruent. B) Bigger. C) Smaller. D) Rotated. Show Answer Correct Answer: A) Congruent. 32. Which of the following is natural sources of light? A) Fire. B) Sun. C) Stars. D) All of the above. Show Answer Correct Answer: D) All of the above. 33. Point B(-7, -12) is reflected over the x-axis. What are the coordinates of B'? A) (-7, 12). B) (7, 12). C) (-7, -12). D) (7, -12). Show Answer Correct Answer: A) (-7, 12). 34. A convex lens is A) Thinner throughout. B) Thicker in the middle, thinner at edges. C) Thicker throughout. D) Thinner in middle, thicker at edges. Show Answer Correct Answer: B) Thicker in the middle, thinner at edges. 35. A ship of mass 3 x $10^7$ $10^4$ A) 0.1m/s. B) 0.5m/s. C) 1.5m/s. D) 1.1m/s. Show Answer Correct Answer: A) 0.1m/s. 36. A small air bubble in a glass block when seen from above appears to be raised because of A) Refraction of light. B) Reflection of light. C) Reflection and refraction of light. D) None of the above. Show Answer Correct Answer: A) Refraction of light. 37. An object is placed at a distance of 0.25 min front of a plane mirror. The distance between the object and image will be: ..... A) 1.0 m. B) 0.5 m. C) 0.25 m. D) 0.125 m. Show Answer Correct Answer: B) 0.5 m. 38. Two plane mirrors are placed parallel and facing each other.A light ray incident on one of the plane mirror at an angle of 45$^\circ$ after reflection from it strikes the other mirror.What is the angle between the incident ray and final reflected ray A) 90$^\circ$. B) 75$^\circ$. C) 60$^\circ$. D) 45$^\circ$. Show Answer Correct Answer: A) 90$^\circ$. 39. A concave mirror of radius 30 cm is placed in water. It's focal length in air and water differ by A) 15. B) 30. C) 60. D) 0. Show Answer Correct Answer: D) 0. 40. Point R' (-2, 8) is the image of point R (-2, 2). Which of the following could be that transformation? A) A translation of 6 units up. B) A translation of 6 units to the right. C) A dilation with a scale factor of 4. D) A reflection across the y-axis. Show Answer Correct Answer: A) A translation of 6 units up. 41. Which of the following is a real-world application of reflection? A) Magnifying glass. B) Solar panels. C) Fiber optics. D) Spectacles. Show Answer Correct Answer: C) Fiber optics. 42. If your angle of incidence is 68 degrees, what is the angle of reflection going to be? A) 72 degrees. B) 68 degrees. C) 32 degrees. D) 90 degrees. Show Answer Correct Answer: B) 68 degrees. 43. Which types of objects do not allow light to pass through them? A) Opaque. B) Penumbra. C) Transparent. D) Translucent. Show Answer Correct Answer: A) Opaque. 44. White light is made up of: A) Red, yellow, and blue. B) No colors. C) All colors. D) Red, green, and blue. Show Answer Correct Answer: C) All colors. 45. O is the point of intersection of the diagonals AC and BD of a trapezium ABCD with AB || DC.Through O, a line segment PQ is drawn parallel to AB meeting AD in P and BC in Q, then OP= A) OP=OQ. B) OQ=2OP. C) OP=1/3OQ. D) OP=2OQ. Show Answer Correct Answer: A) OP=OQ. 46. When light reflects it ..... A) Bounces. B) Absorbs. C) Bends. D) Continues in a straight line. Show Answer Correct Answer: A) Bounces. 47. Which axis is the vertical (up-down) one? A) X-axis. B) Y-axis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Y-axis. 48. B(-2, -4)Reflect over the line y = x A) (4, 2). B) (-4, 2). C) (2, -4). D) (-4, -2). Show Answer Correct Answer: D) (-4, -2). 49. Which of the following is an example of a figure that has undergone a reflection? A) Triangle. B) Number '7'. C) Circle. D) Letter 'D'. Show Answer Correct Answer: D) Letter 'D'. 50. If a man wishes to use a plane mirror on a wall to view both his head and his feet as he stands in front of the mirror, the required length of the mirror A) Is equal to the height of the man. B) Is equal to one half the height of the man. C) Is equal to double the height of the man. D) Depends on the distance the man stands from the mirror. Show Answer Correct Answer: B) Is equal to one half the height of the man. 51. Which is the correct algebraic representation for a reflection across the y-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: A) (x, y) $\rightarrow$ (-x, y ). 52. A reflection over the $y-axis$ A) Change the sign of the y-coordinate while the sign for the x-coordinate stays the same. B) Change the sign of the x-coordinate while the sign for the y-coordinate stays the same. C) Change the sign for both the x and the y-coordinates. D) Nothing will change. Show Answer Correct Answer: B) Change the sign of the x-coordinate while the sign for the y-coordinate stays the same. 53. The sun in the early morning can cause buildings to form shadows. This shadow will be: A) Thin. B) Fat. C) Short. D) Long. Show Answer Correct Answer: D) Long. 54. A transformation that flips each point of a shape over the same line is called a ..... A) Transformation. B) Rotation. C) Reflection. D) Translation. Show Answer Correct Answer: C) Reflection. 55. An object is 100 mm in front of a concave mirror which produces an upright image (erect image). The radius of curvature of the mirror is: A) Less than 100 mm. B) Between 100 mm and 200 mm. C) Exactly 200 mm. D) More than 200 mm. Show Answer Correct Answer: D) More than 200 mm. 56. Focal length of convex lens is 15 cm, it's radius of curvature Will be A) 60 cm. B) 15 cm. C) 40 cm. D) 30 cm. Show Answer Correct Answer: D) 30 cm. 57. Describe the translation of Point A (3, -8) to A'(-4, -5). A) (x+7, y-3). B) (x-4, y-5). C) (x-3, y+7). D) (x-7, y+3). Show Answer Correct Answer: D) (x-7, y+3). 58. Triangle ABC is right angled at A with AB=6cm, BC=10cm A circle with centre O has been inscribed inside the triangle.The radius of the incircle is A) 1 cm. B) 2 cm. C) 4cm. D) 3 cm. Show Answer Correct Answer: B) 2 cm. 59. The speed of light in a vacuum is known to be A) Universal constant. B) Constant universal. C) Constant. D) Universal. Show Answer Correct Answer: A) Universal constant. 60. The silver strip on the safety jacket works to reflect the light of the vehicle. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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