Chapter 2: Light and the Bohr Model

Find the wavelength, in m, of a electromagnetic radiation with a frequency of 5.456 x 10^16 Hz. Is this wavelength found on the ionizing region of the electromagnetic spectrum (i.e., x-ray and gamma region)?

Tags

NGSS.HS-PS4-1

Heated helium atoms emit photons of light with an energy of 2.838 × 10−19 J. Calculate the frequency and wavelength of one of these photons. What is the total energy in 1 mole of these photons? What is the color of the emitted light?

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What is the energy of a 67.7 GHz microwave travelling in a vacuum? Compare it to the energy of a light photon of wavelength 677 nm.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

 An object is emitting radiation at 6.7 μm. If a detector reads 1.28 X 10^10 photons per second, what would the total energy be after 1 hours?

Tags

NGSS.HS-PS4-1

NGSS.HS-PS3-1

Find the energy in Joules of a Li2- atom that moves from n=3 to n=1

Determine the wavelength of a light emitted from a that hydrogen atom transitions from n=4 to n=3

Tags

NGSS.HS-PS4-1

For a hydrogen at ground state, find the final energy if an electron absorbs a wavelength of 208 nm

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3