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Questions and Answers
What is the relationship between the wavelength and the energy of radiant energy?
What is the relationship between the wavelength and the energy of radiant energy?
- The longer the wavelength, the lower the energy
- The longer the wavelength, the greater the energy
- The shorter the wavelength, the lower the energy
- The shorter the wavelength, the greater the energy (correct)
What is the definition of wavenumber?
What is the definition of wavenumber?
- The number of complete cycles passing a given point per second
- The number of waves per centimeter (correct)
- The frequency of a wave
- The length of a complete wave
Which branch of spectrometry involves the measurement of absorption by chemical species of radiant energy?
Which branch of spectrometry involves the measurement of absorption by chemical species of radiant energy?
- Nuclear magnetic resonance spectroscopy
- Mass spectrometry
- Fluorescence spectroscopy
- Spectrophotometry (correct)
What do spectrophotometer and spectrometer have in common?
What do spectrophotometer and spectrometer have in common?
What does absorbimetric methods utilize?
What does absorbimetric methods utilize?
What is the term used to define the complete system of energy propagated in wave form?
What is the term used to define the complete system of energy propagated in wave form?
What does colorimetric methods utilize?
What does colorimetric methods utilize?
What does spectrometry deal with?
What does spectrometry deal with?
What is the term used to describe the interaction of cu ions with a portion of the incident radiant energy?
What is the term used to describe the interaction of cu ions with a portion of the incident radiant energy?
What does spectrophotometry deal with?
What does spectrophotometry deal with?
What is the relationship between the wavelength and the energy of radiant energy?
What is the relationship between the wavelength and the energy of radiant energy?
Which branch of spectrometry involves the measurement of absorption by chemical species of radiant energy?
Which branch of spectrometry involves the measurement of absorption by chemical species of radiant energy?
What does absorbimetric methods utilize?
What does absorbimetric methods utilize?
What is the definition of wavenumber?
What is the definition of wavenumber?
What is the term used to define the complete system of energy propagated in wave form?
What is the term used to define the complete system of energy propagated in wave form?
What does colorimetric methods utilize?
What does colorimetric methods utilize?
Which method is an analytical method based on the absorption of radiant energy?
Which method is an analytical method based on the absorption of radiant energy?
What is transmitted light and under what condition it registers the color sensation?
What is transmitted light and under what condition it registers the color sensation?
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Study Notes
Energy and Wavelength
- As the wavelength of radiant energy decreases, its energy increases.
- Conversely, as the wavelength increases, its energy decreases.
Wavenumber
- Wavenumber is defined as the reciprocal of the wavelength.
Spectrometry
- Spectrometry involves the measurement of the interaction between radiant energy and matter.
- It deals with the study of the interaction between matter and electromagnetic radiation.
Spectrophotometry and Spectrometer
- Spectrophotometry and spectrometer have in common the measurement of the absorption of radiant energy by chemical species.
Absorbimetric Methods
- Absorbimetric methods utilize the measurement of the absorption of radiant energy by chemical species.
Electromagnetic Radiation
- Electromagnetic radiation is the complete system of energy propagated in wave form.
Colorimetric Methods
- Colorimetric methods utilize the measurement of the absorption of radiant energy by chemical species, which produces a color change.
Spectrophotometry
- Spectrophotometry deals with the measurement of the absorption of radiant energy by chemical species.
Interaction with Cupric Ions
- The term used to describe the interaction of cu ions with a portion of the incident radiant energy is called absorption.
Transmitted Light
- Transmitted light is the light that passes through a sample, registering a color sensation when it meets the eye.
- Transmitted light registers a color sensation when the wavelengths of the light are within the visible spectrum.
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