PhysicsRest mass of photon is:


Rest mass of photon is:


  1. A
  2. B
  3. C
    h v
  4. D
    zero 

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    Solution:

    Concept- In this scenario, we must explain the fundamental features of the photon in order to reach the required answer. It is also vital to describe its features.
    According to Einstein's quantum theory, light travels in the form of packets, or quanta of energy known as photons.
    Photons have a rest mass of zero. It is possible to demonstrate this using the theory of relativity of light.
    The mass of a photon is calculated using the relativistic theory equation as:
    when So Where is the Proton's rest mass?
    Hence, the option (4) is correct.
     
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