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WorksheetsAtomic Spectra Quiz
Total questions: 30
Worksheet time: 10mins
Name
Class
Date
1.
Light travels at a finite, but incredibly fast speed.
a)
True
b)
False
2.
Visible light is the only type of electromagnetic radiation.
a)
True
b)
False
3.
Storing and analyzing light from space is key to understanding the cosmos.
a)
True
b)
False
4.
Telescopes brighten, resolve, and magnify images.
a)
True
b)
False
5.
Spectral lines help scientists to determine the chemical composition of remote astronomical objects.
a)
True
b)
False
6.
Scientists use what are known as "spectrometers" to view the atomic spectra of various gasses.
a)
True
b)
False
7.
Every element has its own unique atomic spectra.
a)
True
b)
False
8.
The Sun emits a continuous spectra.
a)
True
b)
False
9.
Blue visible light has a shorter wavelength than red visible light.
a)
True
b)
False
10.
Red light is "hotter" than blue light.
a)
True
b)
False
11.
Spectroscopy can help scientists discover habitable exoplanets.
a)
True
b)
False
12.
Wien's law states that the higher the temperature, the shorter the peak wavelength of a blackbody's radiation.
a)
True
b)
False
13.
Stars closely approximate blackbodies, hypothetical objects that perfectly absorb all electromagnetic radiation.
a)
True
b)
False
14.
The possibility that other Earth-like worlds orbiting Sun-like stars is very likely given the size and scale of the known universe.
a)
True
b)
False
15.
If the human race were to settle on another planet in our solar system, Mars, the red planet, would be the most likely place right now.
a)
True
b)
False
16.
Silicon is a key chemical component to all life on Earth.
a)
True
b)
False
17.
Solar spectra allow astronomers to learn many vital properties of celestial objects including which of the following?
a)
Chemical composition
b)
Temperature
c)
Rotation
d)
All of these can be determined using solar spectra
18.
Spectra occur because electrons emit and absorb photons with only certain ______.
a)
wavelengths
b)
ions
c)
emissions
d)
functions
19.
The wavelength of light is related to which of the following properties?
a)
Color
b)
Frequency
c)
Color AND frequency
d)
Neither color NOR frequency
20.
What is the main function of a telescope?
a)
To collect as much light as possible
b)
To magnify an image
c)
To resolve (increase sharpness of) an image
d)
All of the above are equally important
21.
Absorption lines create _____ spectral lines on a visible light spectra due to the electrons moving into their _____ state.
a)
dark; excited
b)
dark; ground
c)
bright; excited
d)
bright; ground
22.
Emission lines create _____ spectral lines on a visible light spectra due to the electrons moving into their _____ state.
a)
dark; excited
b)
dark; ground
c)
bright; excited
d)
bright; ground
23.
Which type of electromagnetic radiation has the highest frequency and, thus, is most dangerous to life?
a)
X-Ray
b)
Infrared
c)
Ultra-violet
d)
Microwave
24.
Which of the following type of EM radiation has wavelengths longer than visible light?
a)
Microwave
b)
Ultraviolet
c)
Gamma Rays
d)
Yellow Visible Light
25.
Which of the following types of EM radiation have wavelengths shorter than visible light?
a)
Microwave
b)
Radio
c)
Ultraviolet
d)
Violet Visible Light
26.
Light that spreads out into a band of rainbow colors without any spectral lines so that every wavelength has some amount of radiation is called what?
a)
An emission spectrum
b)
An absorption spectrum
c)
A continuous spectrum
d)
A light spectrum
27.
The peak wavelength of radiation emitted by a blackbody is inversely proportional to its temperature. This is known as ________.
a)
Hubble's Law
b)
The law of light
c)
Wein's Law
d)
None of these are correct.
28.
Which drawing represents the process by which an emission line is formed?
a)
A
b)
B
c)
C
d)
D
29.
Which drawing represents the process by which an absorption line is formed?
a)
A
b)
B
c)
C
d)
D
30.
Which is the correct order of EM radiation, from highest to lowest frequency?
a)
radio, microwave, visible, X-ray, gamma
b)
gamma, ultraviolet, visible, infrared, radio
c)
gamma, microwave, X-ray, visible, ultraviolet
d)
microwave, visible, gamma, radio, infrared
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