Dual Nature of Radiation and Matter

Question: An $\alpha$ particle is accelerated through a p.d of ${10^6}$ volt then K.E. of particle will be



1) 8 MeV
2) 4 MeV
3) 2 MeV
4) 1 MeV
Solution: Explanation: No Explanation
Cathode Rays and Positive Rays

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