Light and Electromagnetic Radiation Quiz
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Questions and Answers

What is the range of wavelengths typically defined as visible light?

  • 400-700 nm (correct)
  • 700-1000 nm
  • 300-500 nm
  • 600-800 nm

    • What are the primary properties of light in physics?

  • Intensity, propagation direction, and frequency or wavelength spectrum (correct)
  • Intensity, diffusion, and reflection
  • Frequency, refraction, and polarization
  • Color, speed, and energy

    • What is the speed of light in vacuum, which is considered a fundamental constant of nature?

  • 100,000,000 m/s
  • 299,792,458 m/s (correct)
  • 500,000,000 m/s
  • 1,000,000,000 m/s

    • Which electromagnetic radiation is also considered as light in physics?

    <p>X-rays</p> Signup and view all the answers

    What is the main source of natural light on Earth?

    <p>The Sun</p> Signup and view all the answers

    Which type of electromagnetic radiation is considered as light in physics?

    <p>Gamma rays</p> Signup and view all the answers

    What are the primary properties of light in physics?

    <p>Intensity, propagation direction, and frequency or wavelength spectrum</p> Signup and view all the answers

    What are photons?

    <p>Massless particles that represent the quanta of the electromagnetic field</p> Signup and view all the answers

    What is the speed of light in vacuum?

    <p>299792458 m/s</p> Signup and view all the answers

    What is the main source of natural light on Earth?

    <p>The Sun</p> Signup and view all the answers

    What is the law of reflection for specular reflection?

    <p>The angle of incidence equals the angle of reflection</p> Signup and view all the answers

    In what ways is reflection observed with electromagnetic waves?

    <p>All types of electromagnetic waves</p> Signup and view all the answers

    What is the primary model for specular light reflection?

    <p>A glass sheet with a metallic coating</p> Signup and view all the answers

    Which type of reflection retains the energy but loses the image?

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

    Why is reflection important in acoustics?

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

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