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Mastering UV-VIS Spectroscopy

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Questions and Answers

Which range of wavelengths do UV-Vis spectrometers operate within?

200 - 700 nm (correct)

400 - 800 nm

600 - 900 nm

100 - 500 nm

What is a spectrum?

The energy required for a transition

The absorption of energy

The collection of measurement signals of a compound (correct)

The study of how a compound interacts with different wavelengths

What is the relationship between energy of a photon and its wavelength?

No relationship

Directly proportional

Inversely proportional (correct)

Indirectly proportional

What is the relationship between energy of a photon and its wavenumber?

Directly proportional Signup and view all the answers

What is the velocity denoted by 'C' in the equation E = hCλ?

Velocity of light Signup and view all the answers

Which of the following best describes a spectrum in the context of spectroscopy?

The measurement signals of a compound as a function of electromagnetic radiation Signup and view all the answers

What is the relationship between the energy of a photon and its wavelength?

The energy of a photon is directly proportional to its wavelength Signup and view all the answers

What is the relationship between the energy of a photon and its wavenumber?

The energy of a photon is directly proportional to its wavenumber Signup and view all the answers

What is the limitation in operation of UV-Vis spectrometers in terms of wavelength range?

UV-Vis spectrometers operate within the range of 200 - 700 nm Signup and view all the answers

What does the equation E = hν represent in the context of spectroscopy?

The relationship between energy and wavenumber of a photon Signup and view all the answers

Study Notes

UV-Vis Spectrometers

UV-Vis spectrometers operate within the wavelength range of 190-1100 nm

Spectroscopy Fundamentals

A spectrum is a graphical representation of the intensity of radiation versus wavelength or frequency
The energy of a photon (E) is inversely proportional to its wavelength (λ), as represented by the equation E = hC/λ
The energy of a photon (E) is directly proportional to its wavenumber (ν), as represented by the equation E = hν
In the equation E = hC/λ, 'C' denotes the velocity of light

Photon Energy and Wavelength/Wavenumber Relationships

As the wavelength of a photon decreases, its energy increases
As the wavenumber of a photon increases, its energy increases

Limitations of UV-Vis Spectrometers

UV-Vis spectrometers are limited in their operation to a specific wavelength range, typically between 190-1100 nm

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Description

Test your knowledge on UV-VIS spectroscopy in this quiz! Learn about the limitations of UV-Vis spectrometers and the roles of different components in a spectrometer.