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Particles that has the dual nature of particle-wave?

General Awareness Questions  of SSC - Tier 1 2015 with Explanations,
Refer the below link for General Reasoning-Part 1
Q. Which of the following particles has the dual nature of particle-wave?
A)    Neutron
B)    Electron
C)    Meson
D)    Proton

Answer: Electron
        Electron have the property of both wave and particle.
        JJ Thomson who discovered electron, won the Nobel Prize for describing the Electron as a particle whereas his Son, George Thomson won the Nobel prize for describing the wave – like nature of Electron.

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