Light: Mirror and Lenses Image Formation Quiz
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Questions and Answers

Which of the following is the correct description of reflection?

  • The absorption of light rays when it hits a surface
  • The bouncing off of light rays when it hits a surface (correct)
  • The scattering of light rays when it hits a surface
  • The bending of light rays when it hits a surface

    • What is the dual nature of light?

  • Solid and liquid
  • Transparent and opaque
  • Visible and invisible
  • Wave and particle (correct)

    • Which type of mirror causes light to converge to a focal point?

  • Diverging mirror
  • Convex mirror
  • Concave mirror (correct)
  • Plane mirror

    • What is the correct representation of an incident ray approaching a mirror?

    <p>An arrow pointing towards the mirror</p> Signup and view all the answers

    Which property of light is responsible for the formation of rainbows?

    <p>Diffraction</p> Signup and view all the answers

    In optical instruments like telescopes, which element is used to converge light to form an image?

    <p>Converging lens</p> Signup and view all the answers

    What is the angle between the incident ray and the normal line?

    <p>Angle of incidence</p> Signup and view all the answers

    What type of reflection occurs on smooth surfaces such as mirrors or calm bodies of water?

    <p>Regular reflection</p> Signup and view all the answers

    In what type of mirror is the reflecting surface recessed inward?

    <p>Concave mirror</p> Signup and view all the answers

    What type of image is formed in locations where the rays of light actually meet after reflection or refraction?

    <p>Real image</p> Signup and view all the answers

    What is defined as anything from which light rays are coming?

    <p>Object</p> Signup and view all the answers

    Which type of reflection occurs on rough surfaces such as clothing, paper, and wavy water?

    <p>Diffused reflection</p> Signup and view all the answers

    Where are virtual images usually formed in relation to the mirror?

    <p>Behind the mirror</p> Signup and view all the answers

    What does a plane mirror have a flat (planar) reflective surface?

    <p>To create virtual images</p> Signup and view all the answers

    What term is used for a smooth, shiny surface that reflects most of the light falling on it?

    <p>Specular surface</p> Signup and view all the answers

    What law states that 'the angle of incidence is EQUAL to the angle of reflection'?

    <p>'The Law of Reflection'</p> Signup and view all the answers

    What is the quantitative characteristic determined when an image is formed by a plane mirror?

    <p>Location and orientation, type, and magnification</p> Signup and view all the answers

    What is the term for the bouncing off of light rays when it hits a surface like a plane mirror?

    <p>Reflection</p> Signup and view all the answers

    Which property of light is responsible for the formation of rainbows?

    <p>Diffraction</p> Signup and view all the answers

    What type of mirror causes light to converge to a focal point?

    <p>Concave mirror</p> Signup and view all the answers

    In optical instruments like telescopes, which element is used to converge light to form an image?

    <p>Convex lens</p> Signup and view all the answers

    What is the dual nature of light?

    <p>Particle as a wave</p> Signup and view all the answers

    What is the correct representation of an incident ray approaching a mirror?

    <p>A line parallel to the surface of the mirror at the point of incidence</p> Signup and view all the answers

    What type of mirror causes light to converge to a focal point?

    <p>Concave mirror</p> Signup and view all the answers

    Which property of light is responsible for the formation of rainbows?

    <p>Refraction</p> Signup and view all the answers

    What is defined as anything from which light rays are coming?

    <p>Object</p> Signup and view all the answers

    What does a plane mirror have?

    <p>Flat (planar) reflective surface</p> Signup and view all the answers

    What is the angle between the incident ray and the normal line?

    <p>$90° - \theta_i$</p> Signup and view all the answers

    What law states that 'the angle of incidence is EQUAL to the angle of reflection'?

    <p>Law of reflection</p> Signup and view all the answers

    Study Notes

    Reflection of Light

    • Reflection is the bouncing off of light rays when it hits a surface like a plane mirror.
    • The dual nature of light is that it can exhibit both wave-like and particle-like properties.

    Mirrors

    • A concave mirror causes light to converge to a focal point.
    • A recessed mirror is one where the reflecting surface is recessed inward.
    • A plane mirror has a flat (planar) reflective surface.

    Reflection Types

    • Specular reflection occurs on smooth surfaces such as mirrors or calm bodies of water.
    • Diffuse reflection occurs on rough surfaces such as clothing, paper, and wavy water.

    Image Formation

    • Real images are formed in locations where the rays of light actually meet after reflection or refraction.
    • Virtual images are usually formed behind the mirror.

    Light Rays

    • The incident ray is the ray approaching a mirror.
    • The angle of incidence is equal to the angle of reflection, according to the law of reflection.
    • The angle between the incident ray and the normal line is equal to the angle of reflection.

    Light Sources

    • A light source is defined as anything from which light rays are coming.

    Optical Instruments

    • In optical instruments like telescopes, the lens or mirror is used to converge light to form an image.

    Properties of Light

    • The property of light responsible for the formation of rainbows is dispersion.
    • The property of light responsible for the formation of rainbows is also refraction.

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    Description

    Test your understanding of predicting qualitative and quantitative characteristics of images formed by plane and curved mirrors and lenses. Practice distinguishing between converging and diverging mirrors and lenses, and applying ray diagramming techniques.

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