9. Quantum Mechanics

As the frequency of electromagnetic radiation increases, what happens to its wavelength?

When measuring absorbance of a solution using a colorimeter, at which wavelength should the colorimeter be set?

Which colors make up the range of visible light in the electromagnetic spectrum?

Which of the following phenomena can only be explained by considering the wave nature of light?

Which of the following best describes the wavelength of the prominent spectral line emitted by potassium chloride (KCl) when excited in a flame test?

Which of the following options correctly describes the effect of infrared (IR) radiation on a molecule?

Which of the following statements about the relationship between wavelength and frequency is most likely incorrect?

Which condition must be met for an electron in an atom to undergo an energy level transition?

Which of the following best describes the function of a spectroscope when analyzing light?

Which of the following best describes the relationship between the energy of electromagnetic radiation and its wavelength?

Which of the following statements is/are true concerning electrons?

At what speed must a 145-g baseball travel to have a wavelength of 1.15 × 10⁻³⁴ m?

Consider the two waves shown here (figure 1), which we will consider to represent two electromagnetic radiations.

A C–C bond has an average bond strength of 350 kJ/mol. What is the longest wavelength (lowest energy) light, in nm, that can break the average C–C bond? (1 m = 10⁹ nm)