Physics Fundamentals: Waves and Light
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Questions and Answers

What is the formula that relates the velocity of a wave to its frequency and wavelength?

  • v = f - λ
  • v = f λ (correct)
  • v = λ / f
  • v = f / λ
  • What type of radiation has enough energy to remove tightly bound electrons from atoms, resulting in damage to living cells?

  • Particle radiation
  • Electromagnetic radiation
  • Ionising radiation (correct)
  • Non-ionising radiation
  • What is the term for the bending of light as it passes from one medium to another?

  • Diffraction
  • Refraction (correct)
  • Absorption
  • Reflection
  • What is the term for a disturbance that travels through a medium and transfers energy from one point to another?

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

    What is the part of the electromagnetic spectrum that is visible to the human eye?

    <p>Visible light</p> Signup and view all the answers

    What is the main difference between longitudinal and transverse waves?

    <p>Longitudinal waves travel in the same direction as the wave's displacement, while transverse waves travel perpendicular to the wave's displacement</p> Signup and view all the answers

    What is the primary reason why sound waves interact differently with various materials?

    <p>The speed of the sound wave is affected by the material's density and elasticity</p> Signup and view all the answers

    What is the purpose of using different types of lenses and mirrors?

    <p>To focus or diverge light waves to achieve specific optical effects</p> Signup and view all the answers

    How does radiation affect the human body?

    <p>Radiation can both harm and heal the human body, depending on the type and intensity</p> Signup and view all the answers

    What is the primary characteristic that distinguishes wave radiation from particle radiation?

    <p>The ability to travel through a vacuum</p> Signup and view all the answers

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