Spectroscopy Quiz

What is spectroscopy used to determine in the field of astronomy?

• The elemental composition of proteins

• The mineral composition of samples

• The structure of atoms

• The composition of stars and galaxies

How did William Herschel contribute to the study of spectroscopy?

• He used a spectrometer to identify elements

• He connected spectral lines to the structure of the atom

• He observed dark lines in the Sun's spectrum

• He discovered infrared radiation

What did Joseph von Fraunhofer observe in the solar spectrum?

• Bright lines emitted by hydrogen gas

• The unique spectral lines of each element

• The absorption spectrum of hydrogen

• Dark lines that became important in the study of cosmology

What did Gustav Kirchhoff and Robert Bunsen discover using a spectrometer?

• The absorption spectrum of hydrogen

• The dark lines in the Sun's spectrum

• The unique spectral lines of each element

• The bright bands of light emitted by hydrogen gas

What happens when an electron gains energy and jumps to a higher orbital shell?

• It emits a specific wavelength of light

• It becomes excited and moves to a lower orbital shell

• It absorbs a photon of light

• It emits a photon of light

What did Niels Bohr connect to the structure of the atom?

• The dark lines in the Sun's spectrum

• The bright bands of light emitted by hydrogen gas

• The absorption spectrum of hydrogen

• The unique spectral lines of each element

What is the emission spectrum?

• A range of colors or wavelengths of electromagnetic radiation

• A continuous spectrum with dark lines

• A unique pattern of light emitted by elements at specific wavelengths

• The absorption of energy at specific wavelengths of light

What is the absorption spectrum?

• A continuous spectrum with dark lines

• The absorption of energy at specific wavelengths of light

• A range of colors or wavelengths of electromagnetic radiation

• A unique pattern of light emitted by elements at specific wavelengths

How do spectral lines act as fingerprints for elements?

• They are unique identifiers of proteins

• They are unique identifiers of compounds

• They are unique identifiers of elements

• They are unique identifiers of people

What is the Doppler Effect?

• The motion of light waves

• The stretching or compressing of light waves

• The motion of sound waves

• The motion of celestial objects