Properties of Light and Microscopy
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Questions and Answers

What is the amplitude of a wave?

  • The frequency of the wave
  • The number of waves per second
  • Half the difference in height between the crest and the trough (correct)
  • The distance between the apex of one wave and the next

    • What determines the color of light?

  • The wavelength of the wave (correct)
  • The amplitude of the wave
  • The frequency of the wave
  • The intensity of the wave

    • What is the frequency of a wave?

  • The distance between the apex of one wave and the next
  • The amplitude of the wave
  • The intensity of the wave
  • The number of waves per second (correct)

    • What is the definition of coherent light rays?

    <p>Light rays of identical frequency from the same source</p> Signup and view all the answers

    What happens when a beam of light strikes a surface at an angle?

    <p>It is reflected</p> Signup and view all the answers

    What is the refractive index of a material?

    <p>The ratio of the sine values of the angles of incidence and refraction</p> Signup and view all the answers

    What is a characteristic of diverging lenses?

    <p>They are relatively thin across their middle and thick at their upper and lower edges</p> Signup and view all the answers

    What happens to light rays in a real image?

    <p>They converge to a point on the other side of the lens</p> Signup and view all the answers

    What is the orientation of a real image?

    <p>It is inverted</p> Signup and view all the answers

    What happens to light rays in a virtual image?

    <p>They diverge on the other side of the lens</p> Signup and view all the answers

    What is the characteristic of a virtual image?

    <p>It is upright</p> Signup and view all the answers

    Can a virtual image be projected on a screen?

    <p>No</p> Signup and view all the answers

    What is the refractive index of blue light with a wavelength of 434 nm?

    <p>1.528</p> Signup and view all the answers

    What is the principle of diffraction?

    <p>Bending of light as it passes the edge of an object</p> Signup and view all the answers

    What is the focal length of a lens?

    <p>The distance between the lens and the principle focus</p> Signup and view all the answers

    What type of lens converges rays of light?

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

    What is the refractive index of air?

    <p>1.0</p> Signup and view all the answers

    What is the term for the separation of white light into spectral colors?

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

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