Nature of L_I_G_H_T !

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Across
  1. 6. light consists of corpuscles or tiny particles shooting out like tiny bullets from a source
  2. 9. discovered that light is made up of seven colors
  3. 11. according to him, light is propagated in space as EM waves
Down
  1. 1. phenomenon where electrons are emitted when light strikes a photosensitive metal surface
  2. 2. proposed that every particle of matter is somehow endowed with a wave to guide as it travels
  3. 3. supported and confirmed the EM wave theory of light
  4. 4. had a study of the scattering of X - rays by electrons
  5. 5. proposed the wave theory
  6. 7. this assumes that light is radiated in discrete packets or bundles called photons
  7. 8. performed double slit experiment which showed interference of light
  8. 10. according to this theory light is a series of disturbances