Telescopes And Electromagnetic Waves

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| By D_omel
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D_omel
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Quizzes Created: 12 | Total Attempts: 85,078
| Attempts: 232
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  • 1/15 Questions

    Which of the following types of electromagnetic wave has the longest wavelength:

    • Radio Waves
    • Gamma rays
    • Light Waves
    • Ocean Waves
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Telescopes And Electromagnetic Waves - Quiz
About This Quiz

Complete the following quiz. You must score at least an 80% or you will have to retake the quiz. You can review your answers at the end of your quiz.

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  • 2. 

    Why do scientists use waves of electromagnetic energy other than visible light to view objects in the universe?

    • The other types of waves make things more colorful.

    • The other types of waves let scientist see things your eyes cannot see.

    • The other types of waves are stronger than your eyes

    • The other types of waves are sharper than your eyes

    Correct Answer
    A. The other types of waves let scientist see things your eyes cannot see.
    Explanation
    You can see features of the universe using other types of electromagnetic energy that your eyes alone cannot see.

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  • 3. 
    The picture shows what type of instrument used by scientists to view objects in space. - ProProfs

    The picture shows what type of instrument used by scientists to view objects in space.

    • Refracting Telescope

    • Reflecting Telescope

    • Radio Telescope

    • Telescope Array

    • CCD Array

    Correct Answer
    A. Reflecting Telescope
    Explanation
    Reflecting telescopes use mirrors to magnify and focus visible light from distant objects like stars.

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  • 4. 
    The picture shows what type of instrument used by scientists to view objects in space. - ProProfs

    The picture shows what type of instrument used by scientists to view objects in space.

    • Reflecting Telescope

    • Refracting Telescope

    • Radio Telescope

    • Telescope Array

    • CCD Array

    Correct Answer
    A. CCD Array
    Explanation
    CCD arrays capture electromagnetic waves and convert them to pixels of data.

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  • 5. 
    The picture shows what type of instrument used by scientists to view objects in space. - ProProfs

    The picture shows what type of instrument used by scientists to view objects in space.

    • Refracting Telescope

    • Reflecting Telescope

    • Radio Telescope

    • Telescope Array

    • CCD Array

    Correct Answer
    A. Refracting Telescope
    Explanation
    Refracting Telescopes use lens to magnify and focus visible light from distant objects like stars.

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  • 6. 

    Which of the following types of electromagnetic energy has the shortest wavelength:

    • Radio Waves

    • Gamma rays

    • Light Waves

    • Ocean Waves

    Correct Answer
    A. Gamma rays
    Explanation
    Gamma rays have the shortest wavelength. They are so short that they can pass between parts of an atom.

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  • 7. 

    Which of the following types of electromagnetic waves is dangerous radiation?

    • Radio waves

    • Microwaves

    • Infrared waves

    • Gamma rays

    Correct Answer
    A. Gamma rays
    Explanation
    Gamma rays are usually called radiation.

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  • 8. 

    Which of the following types of electromagnetic waves can you see?

    • Microwaves

    • Ultraviolet waves

    • Light waves

    • Infrared waves

    Correct Answer
    A. Light waves
    Explanation
    Light waves or light are the only electromagnetic waves you can see.

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  • 9. 

    CCD arrays are useful to scientists because they can

    • 'see' more types of electromagnetic waves than the human eye

    • Capture gamma rays.

    • See objects in total darkness.

    • Make images of invisible objects.

    Correct Answer
    A. 'see' more types of electromagnetic waves than the human eye
    Explanation
    CCD arrays allow scientists to 'see' ultraviolet light and infrared light as well as visible light.

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  • 10. 
    The picture shows what type of instrument used by scientists to view objects in space.  - ProProfs

    The picture shows what type of instrument used by scientists to view objects in space. 

    • Reflecting Telescope

    • Refracting Telescope

    • Radio Telescope

    • Telescope Array

    • CCD Array

    Correct Answer
    A. Radio Telescope
    Explanation
    Radio Telescopes Capture radio waves and use an amplifier to tune into them and a computer to make an image from the waves.

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  • 11. 

    When a scientist uses radio waves to look at things in space, the radio waves can help a scientist tell what about the object:

    • What the object is made of.

    • How far away the object is.

    • How big the object is.

    • The color of the object.

    Correct Answer
    A. What the object is made of.
    Explanation
    Radio waves can be used to figure out the types of atoms and compounds that an object in space is made of.

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  • 12. 
    The picture shows what type of instrument used by scientists to view objects in space. - ProProfs

    The picture shows what type of instrument used by scientists to view objects in space.

    • Reflecting Telescope

    • Refracting Telescope

    • Radio Telescope

    • Telescope Array

    • CCD Array

    Correct Answer
    A. Telescope Array
    Explanation
    A bunch of telescopes working together as one giant telescope is an telescope array.

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  • 13. 

    X rays can help a scientist see what things in the universe?

    • Very large stars like supergiants.

    • Extremely fast moving objects like comets.

    • High energy objects like black holes.

    • Invisible things like dark matter.

    Correct Answer
    A. High energy objects like black holes.
    Explanation
    Things that give off huge amounts of energy can be seen with X rays, including black holes, neutron stars, and supernova explosions.

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  • 14. 

    Besides just seeing what an object looks like. Visible light can also tell a scientist a stars

    • Temperature by looking at its color.

    • Mass by looking at how big it is.

    • A stars energy by looking at how bright it is.

    • A stars weight by looking at how large it is.

    Correct Answer
    A. Temperature by looking at its color.
    Explanation
    A stars temperature matches its color. Blue stars are the hottest stars and red stars are the 'coolest' stars.

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  • 15. 

    Which of the following electromagnetic waves can you feel as heat:

    • Microwaves

    • Light waves

    • Ultraviolet waves

    • Infrared waves

    Correct Answer
    A. Infrared waves
    Explanation
    You can feel infrared waves as heat.

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Quiz Review Timeline (Updated): Mar 17, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 17, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 04, 2009
    Quiz Created by
    D_omel
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