Telescopes And Electromagnetic Waves
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.
- 1.
Which of the following types of electromagnetic wave has the longest wavelength:
- A.
Radio Waves
- B.
Gamma rays
- C.
Light Waves
- D.
Ocean Waves
Correct Answer
A. Radio WavesExplanation
Radio waves have the longest wavelength. They can be longer than a football field.Rate this question:
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- 2.
Which of the following types of electromagnetic energy has the shortest wavelength:
- A.
Radio Waves
- B.
Gamma rays
- C.
Light Waves
- D.
Ocean Waves
Correct Answer
B. Gamma raysExplanation
Gamma rays have the shortest wavelength. They are so short that they can pass between parts of an atom.Rate this question:
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- 3.
Which of the following types of electromagnetic waves can you see?
- A.
Microwaves
- B.
Ultraviolet waves
- C.
Light waves
- D.
Infrared waves
Correct Answer
C. Light wavesExplanation
Light waves or light are the only electromagnetic waves you can see.Rate this question:
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- 4.
Which of the following electromagnetic waves can you feel as heat:
- A.
Microwaves
- B.
Light waves
- C.
Ultraviolet waves
- D.
Infrared waves
Correct Answer
D. Infrared wavesExplanation
You can feel infrared waves as heat.Rate this question:
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- 5.
Which of the following types of electromagnetic waves is dangerous radiation?
- A.
Radio waves
- B.
Microwaves
- C.
Infrared waves
- D.
Gamma rays
Correct Answer
D. Gamma raysExplanation
Gamma rays are usually called radiation.Rate this question:
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- 6.
Why do scientists use waves of electromagnetic energy other than visible light to view objects in the universe?
- A.
The other types of waves make things more colorful.
- B.
The other types of waves let scientist see things your eyes cannot see.
- C.
The other types of waves are stronger than your eyes
- D.
The other types of waves are sharper than your eyes
Correct Answer
B. 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.Rate this question:
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- 7.
When a scientist uses radio waves to look at things in space, the radio waves can help a scientist tell what about the object:
- A.
What the object is made of.
- B.
How far away the object is.
- C.
How big the object is.
- D.
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.Rate this question:
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- 8.
Besides just seeing what an object looks like. Visible light can also tell a scientist a stars
- A.
Temperature by looking at its color.
- B.
Mass by looking at how big it is.
- C.
A stars energy by looking at how bright it is.
- D.
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.Rate this question:
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- 9.
X rays can help a scientist see what things in the universe?
- A.
Very large stars like supergiants.
- B.
Extremely fast moving objects like comets.
- C.
High energy objects like black holes.
- D.
Invisible things like dark matter.
Correct Answer
C. 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.Rate this question:
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- 10.
The picture shows what type of instrument used by scientists to view objects in space.
- A.
Refracting Telescope
- B.
Reflecting Telescope
- C.
Radio Telescope
- D.
Telescope Array
- E.
CCD Array
Correct Answer
A. Refracting TelescopeExplanation
Refracting Telescopes use lens to magnify and focus visible light from distant objects like stars.Rate this question:
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- 11.
The picture shows what type of instrument used by scientists to view objects in space.
- A.
Refracting Telescope
- B.
Reflecting Telescope
- C.
Radio Telescope
- D.
Telescope Array
- E.
CCD Array
Correct Answer
B. Reflecting TelescopeExplanation
Reflecting telescopes use mirrors to magnify and focus visible light from distant objects like stars.Rate this question:
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- 12.
The picture shows what type of instrument used by scientists to view objects in space.
- A.
Reflecting Telescope
- B.
Refracting Telescope
- C.
Radio Telescope
- D.
Telescope Array
- E.
CCD Array
Correct Answer
C. Radio TelescopeExplanation
Radio Telescopes Capture radio waves and use an amplifier to tune into them and a computer to make an image from the waves.Rate this question:
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- 13.
The picture shows what type of instrument used by scientists to view objects in space.
- A.
Reflecting Telescope
- B.
Refracting Telescope
- C.
Radio Telescope
- D.
Telescope Array
- E.
CCD Array
Correct Answer
D. Telescope ArrayExplanation
A bunch of telescopes working together as one giant telescope is an telescope array.Rate this question:
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- 14.
The picture shows what type of instrument used by scientists to view objects in space.
- A.
Reflecting Telescope
- B.
Refracting Telescope
- C.
Radio Telescope
- D.
Telescope Array
- E.
CCD Array
Correct Answer
E. CCD ArrayExplanation
CCD arrays capture electromagnetic waves and convert them to pixels of data.Rate this question:
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- 15.
CCD arrays are useful to scientists because they can
- A.
'see' more types of electromagnetic waves than the human eye
- B.
Capture gamma rays.
- C.
See objects in total darkness.
- D.
Make images of invisible objects.
Correct Answer
A. 'see' more types of electromagnetic waves than the human eyeExplanation
CCD arrays allow scientists to 'see' ultraviolet light and infrared light as well as visible light.Rate this question:
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Current Version
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Mar 17, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 04, 2009Quiz Created by
D_omel
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