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41 True/False questions

  1. parabolic mirrorterm for a mirror with a flat reflecting surface

          

  2. upright, enlarged, reduced, depthThree characteristics of a reflected image in a plane mirror:
    1.) It is ____.
    2.) It is neither _____ nor _____.
    3.) It has _____.

          

  3. first law of reflectionlaw which states that the angle of incidence is equal to the angle of reflection

          

  4. diffuse reflectionlaw which states that the angle of incidence is equal to the angle of reflection

          

  5. point sourceterm for the bright spot at the focal point

          

  6. second law of reflectionlaw which states that the incident ray, the normal to the surface, and the reflected ray lie in the same plane

          

  7. radius of curvatureterm for the length of any radius in a mirror surface

          

  8. absorbedLight may strike a particle of matter and be ____ as it is transformed into vibrational or heat energy in the particle.

          

  9. convexA spherical mirror is ____ if the reflecting side is on the outside of the spherical surface.

          

  10. specular reflection (regular reflection)two kinds of reflection

          

  11. reflectanceterm for the ratio of the reflected light to the total light falling on a surface

          

  12. lateral magnificationterm for M, which tells whether an image is enlarged or reduced in relation to an object

          

  13. virtual imageterm for an image through which no light can pass

          

  14. focal rayterm for the focus of any bundle of parallel rays arriving at a small angle with the principal axis

          

  15. parabolic mirrorterm for a mirror with a flat reflecting surface

          

  16. center of curvatureterm for the length of any radius in a mirror surface

          

  17. parallel rayterm for a ray that follows a path parallel to the principal axis

          

  18. transmittedIf light reaches a boundary between mediums and returns to the medium it was previously passing through, the light is ____.

          

  19. principal raysterm for the ray diagram that is easiest to draw

          

  20. concaveA spherical mirror is ____ if the reflecting side is on the inside of the spherical surface.

          

  21. normalterm for the center of the mirror surface

          

  22. principal axisterm for the line that joins the vertex and the center of curvature

          

  23. spherical aberrationterm for the imperfect distinctness of the image formed by any spherical mirror, whether concave or convex

          

  24. vertexReflectance is highest for ____ surfaces.

          

  25. apertureterm for the measure of the size of a mirror

          

  26. specular reflection and diffuse reflectiontwo kinds of reflection

          

  27. focal planeterm for the focus of any bundle of parallel rays arriving at a small angle with the principal axis

          

  28. central rayterm for a ray that travels through a focal point to the mirror and reflects parallel to the principal axis

          

  29. point imageterm for any object providing the light being reflected by a mirror

          

  30. whiteterm for the center of the mirror surface

          

  31. real imageterm for an image formed by light actually passing through a point, such as an image projected on a screen

          

  32. reflectedterm for the ratio of the reflected light to the total light falling on a surface

          

  33. spherical mirrorsterm for curved mirrors forming a portion of a spherical surface

          

  34. secondary axisterm for any line through C other than the principal axis, such as CD

          

  35. ray diagramterm for an image formed by light actually passing through a point, such as an image projected on a screen

          

  36. focal lengthterm for the distance between the focal point and vertex

          

  37. mirror equationterm for reflection that is caused by unevenness in the reflecting surface and produces no clear images

          

  38. black, transparentReflectance is lowest for ____ or _____ surfaces.

          

  39. focal pointterm for the point at which a screen properly situated would show an image of the light source

          

  40. plane mirrorterm for a mirror with a flat reflecting surface

          

  41. scatteredInstead of being absorbed by a particle light may be ______, spreading randomly into many rays moving outward from the particle.