13. Calculate the frequency of visible light having a Wavelength of 464.1 nm 14.

Question

13. Calculate the frequency of visible light having a Wavelength of 464.1 nm 14. A police radar unit is operating on a frequency of 9.527 gigahertz. What is the wavelength of the radiation being employed? A. 314.7 nm B. 314.7 in C. 3.147 cm D. 314.7 cm E. 31.78 m 15. What is the energy, in joules. of one mole of photons of visible light having a wavelength of 486.1 nm? 16. Which statement is true concerning Bohr's model of the atom? A. The model accounted for the absorption spectra of atoms but not for the emission spectra. B. The model could account for the emission spectrum of hydrogen and for the Rydberg equation. C. The model was based on the wave properties of the electron. D. The model accounted for the emission spectra of atoms, but not for the absorption spectra. E. The model was generally successful for all atoms to which it was applied.

Explanation / Answer

13. wavelength = 461.4 nm = 461.4x (1 m / 109 nm) = 4.614 x 10 -7 m

now ?? = c

(4.614 x 10 -7) x v = 3.00 x 108 m s

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