The diffraction of light by high frequency sound waves: Part I.

@article{Raman1935TheDO,
  title={The diffraction of light by high frequency sound waves: Part I.},
  author={Chandrasekhara Venkata Sir Raman and N. S. Nagendra Nathe},
  journal={Proceedings of the Indian Academy of Sciences - Section A},
  year={1935},
  volume={2},
  pages={406-412}
}
4. Summary(a) A theory of the phenomenon of the diffraction of light by sound-waves of high frequency in a medium, discovered by Debye and Sears and Lucas and Biquard, is developed.(b) The formula $$\sin \theta = \pm {{n\lambda } \over {\lambda * }} n (an integer) \ge 0$$ which gives the directions of the diffracted beams from the direction of the incident beam and whereλ andλ* are the wave-lengths of the incident light and the sound wave in the medium, is established. It has been found that… 
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