11. Light 1. The diagram shows a light traveling in different media. What is the angle of incidence?43° 47° 55° 35°2. Which of the following statements about light is not correct?It can change its direction when hitting an opaque object It can travel around the corner of the object It can form of energy It changes its speed when traveling in different transparent media3. The diagram shows a light ray hitting a hard surface. What is the angle of reflection?50° 80° 40° 130°4. The diagram shows the image of an object in a plane mirror. What is the actual appearance of the object? ABCD5. The diagram below shows the reflection of light rays after hitting the surface of a floor. Which of the following terms correctly describe the reflection shows above?Diffuse reflection Irregular reflection Dispersion reflection Regular reflection6. In an experiment, a light ray from a point source is directed into a glass block until it reemerges. Which of the following drawing correctly represent the observation of the experiment? ABCD7. The diagram below shows the light ray is reflected by a medium. What is the name of p?Angle of reflection Angle of refraction Angle of emergent Angle of incidence8. Which of the following combinations of color produces cyan.Red and green Green and blue Yellow and red Red and blue9. The diagram below shows a source of light M striking an object. Which of the following sources of light is not possible?Yellow White Magenta White10. Two beams of colored light, Y and blue were mixed as shown in the diagram below. What could be the color observed in Y?White Yellow Green Red11. Which of the following correctly shows the speed of light in a vacuum?3.0 x 10⁸ m/h 3.0 x 10⁸ m/s 3.0 x 10⁸ km/h 3.0 x 10⁸ km/s12. White light is passed through two different colored filters as shown in the diagram below. What colored light will be observed at X?Red Magenta Black Yellow13. The diagram below shows a Ray of light XY travelling from medium A to medium B. Which of the following statements is correct about the refraction shown above?Medium A is less dense than B and the ray YZ travel faster than XY Medium A is denser than B and the ray YZ travels faster than XY Medium A is less dense than B and the ray YZ travels slower than XY Medium A is denser than B and the ray YZ travels slower than XY 14. The diagram below shows a light ray is reflected by a hard surface. Which of the following pair show the correct angle of incidence and reflection? The angle of incidence (in degree) The angle of reflection (in degree) A 30 30 B 30 60 C 60 30 D 60 60 ABCD15. Which type of mirror is used in a dentist's mirror?Plane mirror Concave mirror Convex mirror Rough Mirror16. Which of the following factor causes the reflection of light to take place?A change in the mass of light A change in the volume of light A change in the density of light A change in the speed of light 17. What are the characteristics of an image formed in a plane mirror? I. Virtual II. Upright III. Inverted IV. Same size as the objectI, II, III II, III, IV I, II, III, IV I, II, IV18. Which one of the following is true about the law of reflection?The law of reflection can be applied to the plane mirror only The law to not apply when light scatters on the rough surface The incident ray and the normal may not lie in the same plane The angle of incidence is equal to the angle of reflection19. An optician holds a test ka 25cm behind a patient. When the patient looks into a plane mirror in front of him, the distance between him and the image of the test card is 385cm. What is the distance of the patient from the plane mirror?125 cm 135 cm 180 cm 60 cm20. Which of the following are the similar characteristics of the range shown in the rear mirror of a car and a dentist mirror?The image in both mirrors show upright inverted The image and the object are equal distance from the mirrors The size of the object and the image is the same The image and the mirrors cannot be captured on the screen
