Electromagnetic Radiation Properties Quiz
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Questions and Answers

What happens to the wavelength as the frequency of electromagnetic radiation increases?

  • It decreases. (correct)
  • It remains constant.
  • It increases.
  • It varies randomly.
  • Which type of electromagnetic radiation has the shortest wavelength?

  • Infrared light
  • Ultraviolet light (correct)
  • Radio waves
  • Microwaves
  • How is the energy of electromagnetic radiation related to its frequency?

  • Energy is inversely related to frequency.
  • Energy decreases as frequency increases.
  • Energy is independent of frequency.
  • Energy is directly related to frequency. (correct)
  • If blue light has a wavelength of 450 nm, how does the wavelength of red light compare?

    <p>Greater than 450 nm (A)</p> Signup and view all the answers

    Comparing ultraviolet and infrared light, which statement is true?

    <p>Ultraviolet has higher frequency and shorter wavelengths. (B)</p> Signup and view all the answers

    What is the relationship between wavelength and energy in electromagnetic radiation?

    <p>Shorter wavelengths correspond to higher energy. (D)</p> Signup and view all the answers

    When white light passes through a prism, what type of spectrum is produced?

    <p>Continuous spectrum (C)</p> Signup and view all the answers

    In the context of electricity exciting electrons, which phenomenon occurs?

    <p>Emission of light. (A)</p> Signup and view all the answers

    What is a photon?

    <p>A packet of energy known as a quantum (D)</p> Signup and view all the answers

    Which type of photons are used in gamma knife radiation therapy?

    <p>Gamma photons (B)</p> Signup and view all the answers

    What is represented by the wave equation c = λν?

    <p>The relationship between light speed, wavelength, and frequency (A)</p> Signup and view all the answers

    What kind of electromagnetic radiation is involved when we use a microwave oven?

    <p>Microwaves (C)</p> Signup and view all the answers

    What is the wavelength range of visible light?

    <p>400-700 nm (A)</p> Signup and view all the answers

    How does high-energy photons assist in medical treatments?

    <p>By targeting tumors without harming surrounding tissues (A)</p> Signup and view all the answers

    What happens to atoms when they are heated in terms of photon emission?

    <p>They emit a stream of photons (C)</p> Signup and view all the answers

    Flashcards

    Photon

    A packet of energy that exhibits particle and wave properties.

    Gamma Knife Radiation Therapy

    A treatment using gamma photons to destroy tumors with precision.

    Electromagnetic Spectrum

    An arrangement of all types of electromagnetic radiation by wavelength.

    Wavelength (λ)

    The distance between two consecutive crests or troughs in a wave.

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    Frequency (ν)

    The number of wave crests that pass a point per second, measured in hertz.

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    Speed of Light (c)

    Constant speed at which all electromagnetic radiation travels, approximately 3.00 × 10^8 m/s.

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    Wave Equation

    Describes the relationship between speed (c), wavelength (λ), and frequency (ν): c = λν.

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    Electromagnetic Radiation Examples

    Everyday examples include radio, microwaves, and visible light.

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    Inverse Relationship

    A relationship where one value increases as the other decreases, specifically between wavelength and frequency.

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    Energy and Frequency Relationship

    Energy of electromagnetic radiation is directly related to frequency; higher frequency means higher energy.

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    Ultraviolet Light vs Infrared Light

    Ultraviolet light has shorter wavelengths and higher frequencies than infrared light.

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    Electromagnetic Radiation

    Radiation made up of waves of electric and magnetic fields; includes visible light, infrared, and UV rays.

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    Emission Spectrum

    The spectrum of light emitted by an atom when electrons lose energy and return to lower energy states.

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    Colored Light and Energy

    Colors like blue or red correspond to different energy levels; blue has higher energy than red.

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    Related Documents

    2024 Fall Unit 2 Notes PDF

    Description

    Test your knowledge on the properties of electromagnetic radiation, including the relationship between wavelength, frequency, and energy. Explore various types of electromagnetic waves and their characteristics, from ultraviolet to infrared and visible light.

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