1.

State and explain de-broglie principle

Answer»

Answer:

The de-Broglie's principle states that every object that has mass and velocity , behaves both as particle and as wave.

According to this statement:

λ = \frac{h}{mv} = \frac{h}{p}

where :

λ is the wavelength of a particle

h = Planck's constant

m= mass of the particle

v = velocity of the particle

p = momentum of the particle

This was first noticed the properties of ELECTRON.

  • An electron has both mass and velocity and HENCE it should be a particle.
  • Also, electrons can be diffracted in the same way as light waves GET diffracted.

Hence it was explained with de-Broglie's principle that electrons possess a dual NATURE.



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