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Q: What did the colours in emission spectra represent?
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How Many types of Infrared Spectra?

There are three main types of infrared spectra: absorption spectra, emission spectra, and reflection spectra. Absorption spectra are produced when a material absorbs infrared energy, emission spectra are produced when a material emits infrared radiation, and reflection spectra result from the reflection of infrared radiation off a material.


What statement of emission spectra is correct?

Emission spectra consist of discrete, colored lines at specific wavelengths, corresponding to the emission of photons as electrons transition from higher to lower energy levels. Each element has a unique emission spectrum due to its specific electron configuration and energy levels. Emission spectra are useful for identifying elements present in a sample and are commonly used in analytical chemistry and astronomy.


How can forensic scientists use emission line spectra and absorption spectra?

Forensic scientists can use emission line spectra and absorption spectra to analyze trace evidence, such as glass fragments or paint chips, found at a crime scene. By comparing the spectra of the collected samples with reference spectra, scientists can identify the chemical composition of the evidence and link it to potential sources or suspects.


What is a continuous spectra?

an emission spectrum that consists of a continuum of wavelengths.


What are the similarities between emission and absorption spectra?

The lines are at the same frequencies


Which part of the electromagnetic spectrum do the atomic emission spectra show?

Atomic emission spectra show specific wavelengths of light emitted by atoms when electrons transition from higher energy levels to lower ones. These spectra typically lie in the visible and ultraviolet regions of the electromagnetic spectrum.


What two sources of continuous spectra will be use in emission spectroscopy?

Two common sources of continuous spectra used in emission spectroscopy are the electrical discharge lamps and the incandescent lamps. Electrical discharge lamps, such as the mercury vapor lamps, produce continuous spectra due to the excitation of atoms or molecules in the gas discharge. Incandescent lamps, on the other hand, produce continuous spectra because of the thermal emission from the hot filament.


Are emission lines spectra considered fingerprints of elements?

Yes, emission lines spectra are considered fingerprints of elements because each element emits light at specific wavelengths unique to that element. By analyzing the pattern of emission lines in a spectrum, scientists can identify the elements present in a sample.


What is an emission spectra used for?

An emission spectrum is used to identify elements present in a sample by measuring the specific wavelengths of light emitted when the atoms are excited. This can be helpful in areas such as astronomy, chemistry, and material science for determining the composition of a substance.


Scientist use the emission spectra of element to detect?

Emission spectrometry is an old and largely known method for quantitative and qualitative analysis of elements.


Why is the study of spectra so important?

It is used to see the colours that it gives off, if you know the colours you then know what atom it is.


How would the spectra from galaxies appear?

They have broad emission lines of highly ionized elements.