WorksheetsUV-VIS spectroscopy
Total questions: 17
Worksheet time: 12mins
When sunlight is split by a prism or diffraction grating it appears to emit a ___ spectra.
absorption
dark-line
continuous
bright-line
Upon closer examination, sunlight (and all stars) actually emit ___ spectra.
bright-line (or emission)
absorption (or dark-line)
continuous
multiple
The analysis of the way matter emits and absorbs radiation is called ___.
astronomy
chemistry
spectroscopy
atomic theory
When electrons of an element reach an "excited" state, ___ lines are produced.
dark
emission (bright)
continuous
invisible
A ___ is used in astronomy to break down light like a prism.
telescope
spectroscope
stethoscope
microscope
Each element on the periodic table can be identified by its
classification as a solid, liquid or gas.
location on the table.
ability to react to form compounds.
unique spectral "fingerprint."
The spectroscope is a powerful tool used by astronomers to infer the nature of matter.
True
False
By passing starlight light through a ___the light is spread out into its component colors.
spectrograph or spectrometer
telescope
prism or diffraction grating
mirror
A ___ can be used in place of a prism in a spectroscope & is inexpensive.
plastic prism
diffraction grating
CCD
lens
