Scientists discover new form of light to explain fundamental nature of light

Q.  In a medical breakthrough, scientists have discovered a new form of light which is based on measurable characteristics of beam of light is known as?
- Published on 23 May 16

a. Angular momentum
b. Angular quantum
c. Angular modification
d. Angular medium

ANSWER: Angular momentum
 
In a massive breakthrough, scientists have discovered a new form of light to impact its fundamental nature
  • A measurable characteristic of the beam of light is the angular momentum. Until now, it was thought that in all forms of light the angular momentum would be a multiple of Planck's constant, the physical constant that sets the scale of quantum effects
  • Researchers from Trinity College Dublin's School of Physics and CRANN Institute have demonstrated a new form of light where the angular momentum of each photon (a particle of visible light) takes only half of this value.
  • Areas such as secure optical communications,and physics and science will advance
  • In the 1830s, mathematician William Rowan Hamilton and physicist Humphrey Lloyd found that upon passing through certain crystals, a ray of light became a hollow cylinder.
  • The team used this phenomenon to generate beams of light with a screw-like structure.

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