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Photons Wave Number App's MCQ & e-Book Download - 534

MCQ:

Spectral lines have wavelength and wave-number which depends upon the quantity of

  1. energy emitted by electron
  2. electrons
  3. light
  4. atoms

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Photons Wave Number Textbook App: Free Download (iOS & Android)

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Photons Wave Number App (Android & iOS)

Photons Wave Number App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (iOS & Android)

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O Level Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (iOS & Android)