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WorksheetsChapter 23 Quiz
Total questions: 21
Worksheet time: 11mins
Which of the following is not a form of electromagnetic radiation?
radio waves
gravity
gamma rays
visible light
Which color has the longest wavelength?
blue
green
orange
red
The fact that light can exert a pressure on matter suggests that it is made of particles called ___.
electrons
protons
photons
neutrons
Which color has the most energetic photons?
blue
violet
orange
red
What does a prism do?
combines the colors of visible light into white light
separates sunlight into ultraviolet and infrared radiation
separates visible light into several colors
changes the wavelength of electromagnetic waves
What information does a star's spectrum offer about the star?
size
chemical composition
age
none of the answers
Which of the following refers to the change in wavelength that occurs when an object moves toward or away from a source?
Doppler Effect
chromatic aberration
spectroscopy
wave theory of light
What will happen to an object's wavelength as the object moves toward you?
The wavelength will be shortened
The wavelength will be lengthened
The wavelength will not change
The wavelength will vary
Using the Doppler Effect, astronomers can determine a star's ___.
temperature
chemical composition
movement toward or away from Earth
age
A refracting telescope produces an image using a(n) ___.
mirror
objective lens
spectroscope
prism
A reflecting telescope produces an image using a(n) ___.
concave mirror
lens
prism
antenna
Which famous scientist first used a telescope for astronomical observations?
Einstein
Newton
Galileo
Hale
Chromatic aberration ___.
blocks stars from most telescopes
weakens images of stars
makes stars appear much larger than they are
makes images of stars appear sideways
Which of the following is not true about most large optical telescopes?
They are refracting telescopes
They have greater light-gathering power
They have greater resolving power
They are reflecting telescopes
What was the first space telescope built by NASA?
Hubble Space Telescope
Chandra X-Ray Observatory
Compton Gamma-Ray Observatory
James Webb Space Telescope
What advantage do space telescopes have over telescopes used on Earth?
They are much cheaper to build
They are not affected by Earth's atmosphere & weather
They do not use lenses or mirrors to gather light
They last longer
The study of light based on wavelength?
Spectroscopy
Geology
Telescopes
Refractology
What type of telescope is this?
Refracting
Reflecting
Number 2 is pointing to what?
Eyepiece
Objective Lens
Focal Lens
Number 1 is pointing to what?
Eyepiece
Objective Lens
Focal Lens
Which is NOT a property of optical telescopes?
Magnifying Power
Coding Power
Resolving Power
Gathers light
