Huygens’s Wave Theory of Light

Till the middle of the mid seventeenth century, it was believed that light consists of streams of tiny particles called corpuscles which are emitted from luminous objects. This concept was introduced by Newton in his corpuscular theory.  Later Huygen proved that light exhibit wave phenomena. His concept was supported by Young’s double slit experiment.   The postulates of Huygen’s wave theory of light are as follows:

  • Each light source sends out disturbance in all directions that travels in medium called ether medium.
  • Light is a longitudinal wave.
  • Different color of light is due to the difference in wavelength.

When scientist were able to measure things with great precision, research on nature and properties of light went further and further. Later on electromagnetic and quantum theories were proposed which explains the nature of light more scientific and precise way. But still Huygens’s theory works in most of the cases.

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