Homework

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Homework

• Page 134, questions 13-14

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• 13. According to the Bohr model, why do atomic
  emission spectra contain only certain frequencies
  of light?

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• 14. Why is the wavelength of a moving soccer
  ball not detectable to the naked eye?

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Homework

• The wavelength of a particle is
• ?
• ? (lamda) is wavelength
• h is a constant
• m is mass
• v (nu) is frequency

h
mv
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?

• For an electron

h

mv
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m

• For a soccer ball

h

v
?