What is the wavelength in hydrogen spectrum for the emission that results from the transition n = 4 to n = 2? The Rydberg constant for hydrogen, RH, is 1.09737 x 107 m-1.

What is the wavelength in nm of a photon emitted from an H atom if an electron transfers from n=6 to n=3   RH = Rydberg constant = 1.097 x 10 -2  nm-1

Pieces of potassium (Φ  = 3.68 ×× 10–19 J) and sodium (Φ  = 4.41 ×× 10–19 J) metal are exposed to radiation of wavelength 350.0 nm. What is the velocity of the electrons from sodium?

what is the wavelength of a line in the calmer series of the hydrogen spectrum, if the transition occurs from ni= 5 to nf = 2 ? remember the rydberg constant is 1.097 x 10^-2 nm^-1

Choose the statement which correctly indicates whether energy is emitted or absorbed and the wavelength of the energy emitted or absorbed (in meters) when the following electronic transition occurs in hydrogen:An electron moves from the n=4 to the n=2 energy level. The value of the Rydberg constant is RH = 1.097 x 107 m-1.

What is the total energy associated with a pulse of 5.00 × 1017 photons if each photon possessed a frequency of 4.79x1014Hz?

A local FM radio station broadcasts at a frequency of 92.5 MHz.Calculate the wavelength at which it is broadcasting.Wavelength =  meter(1 MHz = 106 s -1)

Calculate the predicted wavelength of a photon that is produced due to the transition of a hydrogen electron from the fifth shell to the second shell. The Rydberg constant value is 2.179 x 10-18J.