9. Quantum Mechanics

Which of the following occurs as the wavelength of a photon increases?

Each line in an atomic emission spectrum represents the energy:

Which of the following wavelengths corresponds to the longest wavelength of radiation that has enough energy to break a carbon-carbon single bond (bond energy ≈ 348 kJ/mol)?

Which graph most accurately displays the relationship between the energy and frequency of a photon?

If the wavelength of light is 500 nm, what is its frequency? (Speed of light, c = 3.00 × 10^8 m/s)

Which of the following properties of electrons are described by their wave behavior?

Which of the following statements is true of visible light?

A photon has an energy of 7.26 × 10^{-19} J. What is its frequency? (Planck's constant, h = 6.626 × 10^{-34} J·s)

Which of the following is closest to the wavelength of light emitted by an LED made from GaAs (gallium arsenide), given that its band gap energy is approximately 1.43 eV?

In the Balmer series of hydrogen, what is the wavelength (in nm) of the spectral line corresponding to the electron transition from n = 4 to n = 2?

Which of the following is closest to the wavelength of red light in the visible spectrum?

Which of the following statements correctly describes the relationship between wavelength and frequency for visible light in the range of 400 to 700 nm?

Which type of visible light spectrum is produced by the Sun?

Which equation allows you to calculate the wavelength of electromagnetic radiation if you know only its frequency?

As the wavelength of electromagnetic radiation becomes shorter, what happens to its energy?