This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Academic Writing > Reflection – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In order for an object to be seen, it must either give off its own light (be a source of light) or it must reflect light. A) Spectrum. B) Energy. C) Visible. D) None of the above. Show Answer Correct Answer: C) Visible. 2. The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called: A) Laser. B) Refraction. C) Mirror. D) Reflection. Show Answer Correct Answer: D) Reflection. 3. Which phenomenon explains why we can see ourselves in a mirror? A) Absorption. B) Diffraction. C) Refraction. D) Reflection. Show Answer Correct Answer: D) Reflection. 4. The original figure prior to a transformation is called ..... A) Pre-image. B) Image. C) All the above. D) None of the above. Show Answer Correct Answer: A) Pre-image. 5. A plant will grow well, if we keep it in a closed room. A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 6. A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light A) Is reflected along the same path. B) Is refracted towards the normal. C) Is refracted away from the normal. D) Does not get refracted. Show Answer Correct Answer: D) Does not get refracted. 7. When light reflects off of a completely smooth surface it is called: A) Specular Reflection. B) Color Reflection. C) Optical Reflection. D) Diffuse Reflection. Show Answer Correct Answer: A) Specular Reflection. 8. What is the angle between the normal and the incident ray know as? A) Angle of reflection. B) Right angle. C) Angle of incidence. D) Angle of deviation. Show Answer Correct Answer: C) Angle of incidence. 9. What is the phenomenon called when light reflects multiple times inside a material, like in fiber optics? A) Specular reflection. B) Partial reflection. C) Diffuse reflection. D) Total internal reflection. Show Answer Correct Answer: D) Total internal reflection. 10. The rectangle with vertices A (-3, 1), B (-3, -3), C (2, -3), D (2, 1) is reflected over the x-axis. Choose the correct ordered pairs of the image. A) B' (3, -3). B) A' (-3, -1). C) D' (2, 1). D) C' (-3, 2). Show Answer Correct Answer: B) A' (-3, -1). 11. When translating a figure on a coordinate plane, which coordinate is affected by movement left and right? A) The x-coordinate. B) The y-coordinate. C) Neither. D) None of the above. Show Answer Correct Answer: A) The x-coordinate. 12. The focal length of a spherical mirror of radius of curvature 30 cm is: A) 30 cm. B) 10 cm. C) 20 cm. D) 15 cm. Show Answer Correct Answer: D) 15 cm. 13. To obtained magnified, erect image on convex lens, object should be placed A) Beyond 2F1. B) Between F1 and O. C) At 2F1. D) Between 2F1 and F1. Show Answer Correct Answer: B) Between F1 and O. 14. Which of the following is an example of diffuse reflection? A) Light reflecting off a mirror. B) Light reflecting off a calm lake. C) Light reflecting off a white wall. D) Light reflecting off a polished car. Show Answer Correct Answer: C) Light reflecting off a white wall. 15. In order to obtain a magnification of-0.6 with a concave mirror, the object must be placed: A) At the focus. B) Between pole and focus. C) Between focus and centre of curvature. D) Beyond the centre of curvature. Show Answer Correct Answer: D) Beyond the centre of curvature. 16. Which statement is true? A) Light travels faster than sound. B) Light and sound travel at the same speed. C) Sound will not travel. Only light can travel. D) Sound travels faster than light. Show Answer Correct Answer: A) Light travels faster than sound. 17. Which of the following reflects light to produce an image? A) Thermometer. B) Weather Vane. C) A stopwatch. D) A mirror. Show Answer Correct Answer: D) A mirror. 18. R$_{y=b}$(x, y) = A) (2b+x, 2b+y). B) (x, 2b-y). C) (2b-x, y). D) (-x, -y). Show Answer Correct Answer: B) (x, 2b-y). 19. The ray of light that strikes a reflecting surface is called ..... A) Incident ray. B) Reflected ray. C) Normal line. D) None of the above. Show Answer Correct Answer: A) Incident ray. 20. An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a friction less horizontal table. The force required to keep the object moving with the same velocity is: A) 4N. B) 8N. C) 32N. D) 0N. Show Answer Correct Answer: D) 0N. 21. Which points below would represent the coordinate points of the image of a transformation? A) A(3, 2), B(4, 7), C(9, 10). B) A'(3, 2), B'(4, 7), C'(9, 10). C) Not here. D) None of the above. Show Answer Correct Answer: B) A'(3, 2), B'(4, 7), C'(9, 10). 22. ..... the angle between the normal and the reflected ray. A) Angle of direction. B) Angle of reflection. C) Angle of coincidence. D) Angle of incidence. Show Answer Correct Answer: B) Angle of reflection. 23. The bending of light at the interface of two different mediums is A) Magnification. B) Reflection. C) Polarization. D) Refraction. Show Answer Correct Answer: D) Refraction. 24. What particles make up light? A) Photons. B) Neutrons. C) Protons. D) None of the above. Show Answer Correct Answer: A) Photons. 25. An object is placed at the centre of curvature of a concave mirror. The distance between its image and the pole is A) Equal to f. B) Between f and 2f. C) Equal to 2f. D) Greater than f. Show Answer Correct Answer: C) Equal to 2f. 26. If the triangle ABC is reflected across the y-axis to create a new image, which rule describes thistransformation? A) (x, y) $\rightarrow$ (y, -x). B) (x, y) $\rightarrow$ (-x, y). C) (x, y) $\rightarrow$ (x, -y). D) (x, y) $\rightarrow$ (-y, x). Show Answer Correct Answer: B) (x, y) $\rightarrow$ (-x, y). 27. Which statement is true about translations? A) The side lengths of the image are larger than the side lengths of the pre-image. B) The angle measures of the image are equal to the corresponding angle measures of the pre-image. C) The side lengths of the image are smaller than the side lengths of the pre-image. D) The angle measures of the image are larger or smaller than the corresponding angle measures of the pre-image. Show Answer Correct Answer: B) The angle measures of the image are equal to the corresponding angle measures of the pre-image. 28. Which of the following is an example of specular reflection? A) Light reflecting off a lake. B) Light reflecting off a mirror. C) Light reflecting off a wall. D) Light reflecting off a book. Show Answer Correct Answer: B) Light reflecting off a mirror. 29. If X and Y are the midpoints of equal sides AB and AC of a triangle ABC. Then: A) BY=AY. B) BY = CX. C) BY=AC. D) CX=AB. Show Answer Correct Answer: B) BY = CX. 30. What is the main source of light? A) Sun. B) Trees. C) Moon. D) None of the above. Show Answer Correct Answer: A) Sun. ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 5Reflection Quiz 6Reflection Quiz 7Reflection Quiz 8Reflection Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books