Alpha particle ionizes an atom_________________?
A. Through direct collision B. Through electrostatic attraction C. Through electrostatic repulsion D. All of above
A. Through direct collision B. Through electrostatic attraction C. Through electrostatic repulsion D. All of above
A. X-rays B. α-rays C. β-rays D. γ-rays
A. Loses a small fraction of its energy B. Losses most of its energy C. Loses no energy at all D. Loses all of its energy
A. α-particle source B. β-particle source C. γ-rays source D. Neutron source
A. 10 times more B. 100 times more C. 100 times less D. 10 times less
A. Fast counting B. Extremely fast counting C. Slow counting D. All situations
A. ZnS B. Barium platinocyanide C. Calcium tungstate D. All of above
A. Energy B. Charge C. Mass D. MomentumB.
A. Refrigeration B. Aerosol spray C. Plastic foam industry D. All of above
A. Trajectory B. Range C. Firing level D. Limit