Optics - Reflection And Plane Mirrors

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| By Kevin L.
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Kevin L.
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Quizzes Created: 15 | Total Attempts: 15,639
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Optics - Reflection And Plane Mirrors - Quiz

Questions and Answers
  • 1. 

    Explanation
    Perpendicular refers to two lines that intersect at a right angle, forming a 90-degree angle. This term is used to describe the relationship between two lines or line segments that are at right angles to each other. The word "perpendicular" is spelled the same way in both lowercase and uppercase letters.

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  • 2. 

    Explanation
    The correct answer is "parallel, Parallel". This is because "parallel" and "Parallel" are the same word, just with different capitalization. The word "parallel" refers to two or more lines that are always the same distance apart and never intersect.

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  • 3. 

     The law of reflection – The angle of incidence is ______________ to the angle of reflection

    Explanation
    The law of reflection states that the angle of incidence is equal to the angle of reflection. This means that when a ray of light hits a surface and reflects off it, the angle at which it approaches the surface is the same as the angle at which it leaves the surface. This law applies to all types of surfaces, whether they are smooth or rough. It is a fundamental principle in the study of optics and is used to explain how light behaves when it interacts with different materials.

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  • 4. 

    In ray diagrams each arrow represents a “ray” of ____________________.

    Explanation
    In ray diagrams, each arrow represents a "ray" of light.

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  • 5. 

     Light gets reflected from a surface at the _______________ angle it hits it.

    Explanation
    When light hits a surface, it follows the law of reflection, which states that the angle of incidence is equal to the angle of reflection. This means that the angle at which the light hits the surface is the same as the angle at which it gets reflected from the surface. Therefore, the correct answer is "same" or "Same".

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  • 6. 

    _______________ (Specular) Reflection:  Reflection of light off a smooth surface

    Explanation
    The term "clear" refers to a transparent or see-through material that allows light to pass through without significant scattering or absorption. When light hits a smooth surface, such as glass or water, it undergoes specular reflection, which means that the light rays bounce off the surface at the same angle as they hit it. Therefore, "clear" can be associated with specular reflection as it describes materials that allow for the reflection of light off a smooth surface without distortion or scattering. The repetition of "clear" with different capitalization does not change the meaning or explanation.

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  • 7. 

      ___________ Reflection: Refection of light off an irregular surface

    Explanation
    Diffuse reflection refers to the reflection of light off an irregular or rough surface, causing the light to scatter in different directions. This is in contrast to specular reflection, which occurs when light reflects off a smooth surface and maintains its direction. Diffuse reflection is responsible for creating a softer, less focused reflection compared to specular reflection.

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  • 8. 

     A ray diagram is a method used to determine where an image will _________________ when an object is viewed through a mirror or lens

    Explanation
    A ray diagram is a method used to determine where an image will appear when an object is viewed through a mirror or lens. By tracing the path of light rays from the object, we can determine how they interact with the mirror or lens and where the image will be formed. The word "appear" in lowercase refers to the general concept of the image being visible, while "Appear" in uppercase emphasizes the specific action of the image becoming visible.

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  • 9. 

    Since we know light travels in a straight line our brains think that the source is actually behind the mirror. This is called a _______________  _______________ because the image location we perceive is not real

    Explanation
    Our brains perceive the image formed by a mirror as if it were coming from a location behind the mirror. This is known as a virtual image because the image we see is not a real object, but rather a result of the reflection of light rays.

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  • 10. 

    The orientation of an image in a plane mirror is flipped horizontally and in reverse order. This is called _____________   _______________.

    Explanation
    The orientation of an image in a plane mirror is flipped horizontally and in reverse order. This phenomenon is known as lateral inversion.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 21, 2014
    Quiz Created by
    Kevin L.
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