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WorksheetsRadiation and Spectra for Astronomy Course
Total questions: 15
Worksheet time: 8mins
The color of emitted light with the LONGEST wavelength is
a. violet
b. green
c. red
d. indigo
The color of emitted light with the SHORTEST wavelength is
a. violet
b. green
c. red
d. indigo
A wave with a long wavelength will have a ______ frequency and _____ energy
a. high, low
b. low, high
c. low, low
d. high, high
Incorrect
When analyzing star light or elements in a lab, what are the different color patterns produced by the prism called?
a. emission spectra
b. the rainbow
c. absorption spectra
d. spectral rainbow
Scientists learn what stars are made of by analyzing their.....
a. The Doppler Effect
b. Emission Spectra
c. Radio Waves
d. The Electromagnetic Spectrum
If astronomers examine the spectral lines of a distant galaxy and saw that they dThe galaxy is not moving.
isplayed a blue shift, what would this mean about the motion of the galaxy?
a. The galaxy is not moving.
b. The galaxy is moving toward Earth.
c. The galaxy is moving away from Earth.
d. The galaxy is shifting back and forth at 650 Thz, the frequency of blue light.
All electromagnetic waves travel at
a. Speed of Sound
b. the Speed of Light
c. the speed of gravity
d. no idea
What property of this wave is represented by the letter "A"
a. amplitude
b. crest
c. trough
d. wavelength
The number of wavelengths that pass a point each second is:
a. frequency
b. period
c. longitudinal
d. transverse wave
Which section of the electromagnetic spectrum is the ONLY one we can see?
a. X-rays
b. Ultraviolet Rays
c. Visible Light
d. Gamma Rays
All electromagnetic waves have the same...
a. frequency
b. speed
c. wavelength
d. energy
Select the correct order of waves on the EMS
a. Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b. Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c.Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d. Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
Emission spectra result from ________________ gas.
Correct
a. hot, low-density
b. hot, high-density
c. cool, low-density
d. cool, high-density
Which part of the EM spectrum has the lowest energy?
I
a. infrared
b.x-ray
c. radio
d. UV
The _________ provides us with an absorption spectrum.
Incorrect
a. planets
b. moons
c. stars
d. creatures from the blue lagoon
