Analytical Chemistry: Fundamentals of Spectroscopy

The amount of energy available in radio frequency radiation is sufficient for which of the following?

• Affect the nuclear spin of an atom

• Excite an atom

• Vibrate a molecule

• Vibrate an atom

Which of the following is NOT true for light modeled as a particle?

• A particle of light is the photon.

• The product of frequency and Planck’s constant equals photon energy.

• As the wavelength increases, photon energy decreases.

• The energy of a photon is proportional to the photon’s frequency.

• Wavenumber is inversely proportional to photon energy.

Electromagnetic radiation can travel through vacuum.

• True

• False

Which of the following are considered to be the lowest form of Electromagnetic radiation?

• UV radiation

• Microwaves

• IR radiation

• Radiowaves

Which of the following is false about wavelengths of electromagnetic radiation?

• Energy does not depend on wavelength

• Radiation with long wavelengths have low energies

• Energy depends on wavelength

• Radiation with short wavelengths have high energies

Which of the following is not a type of Spectroscopy?

• Sound

• Nuclear magnetic resonance

• Gamma ray

• X ray

In the following diagram of a wave

• (a) is wavelength and (b) is amplitude

• (a) is frequency and (b) is amplitude

• (a) is amplitude and (b) is frequency

• (a) is wavelength and (b) is frequency

• (a) is amplitude and (b) is wavelength

NMR is the study of absorption of __________ by nuclei in a magnetic field?

• IR radiation

• Radio frequency radiation

• Radioactive radiation

• Microwaves

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, _______ has the most energy

• Blue

• Green

• Yellow

• Red

• Violet

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, _______ has the least energy

• Blue

• Green

• Yellow

• Red

• Violet