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Which of the following particles can't b...

Which of the following particles can't be accelerated in a cyclotron?
(1) Proton `p^(+)` (2) Antiproton `p^(-)`
(3) Alpha particle `alpha^(++)` (4) Positron `e^(+)`

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To determine which of the following particles cannot be accelerated in a cyclotron, we need to consider the mass of the particles and the principles of how a cyclotron operates. 1. **Understanding Cyclotron Operation**: A cyclotron accelerates charged particles using a magnetic field and an alternating electric field. The effectiveness of this acceleration depends on the mass of the particle. Cyclotrons are particularly effective for particles with a mass that is not too small. 2. **Analyzing the Options**: - **Proton (p⁺)**: Protons have a relatively large mass compared to electrons. They can be effectively accelerated in a cyclotron. - **Antiproton (p⁻)**: Antiprotons have the same mass as protons (just opposite charge). Therefore, they can also be accelerated in a cyclotron. - **Alpha Particle (α²⁺)**: Alpha particles consist of two protons and two neutrons, giving them a mass greater than that of protons. They can also be accelerated in a cyclotron. ...
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