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1) A gamma ray has a frequency of 3.5 x 1019Hz. Determine the wavelength of this radiation in nm and the energy of a photon of this radiation.

2a) The work function for Al is 6.54 x 10-19 J. Compute the longest wavelength of light that can be used to eject an electron.

2b) Determine the kinetic energy of an electron ejected from aluminum by light with a frequency of 1.40 x 1015 Hz.

3) Compute the frequency of light (in Hz) emitted by a hydrogen atom when making a transition from the n = 5 to n = 2 state.

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  • Category:- Chemistry
  • Reference No.:- M9499529

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