Alpha particle ionizes an atom_________________? April 17, 2025 by admin A. Through direct collision B. Through electrostatic attraction C. Through electrostatic repulsion D. All of above
T.V sets and microwave ovens emit ___________________? April 17, 2025 by admin A. X-rays B. α-rays C. β-rays D. γ-rays
An alpha particle in a single encounter__________________? April 17, 2025 by admin 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
Strontium-90 is used as __________________? April 17, 2025 by admin A. α-particle source B. β-particle source C. γ-rays source D. Neutron source
The penetration power of alpha particle as compared to beta particle is_______________? April 17, 2025 by admin A. 10 times more B. 100 times more C. 100 times less D. 10 times less
Geiger counter is suitable for _________________? April 17, 2025 by admin A. Fast counting B. Extremely fast counting C. Slow counting D. All situations
An alpha particle can produce fluorescence in__________________? April 17, 2025 by admin A. ZnS B. Barium platinocyanide C. Calcium tungstate D. All of above
Pair production cannot take place in a vacuum as ________ is not conserved ? April 17, 2025 by admin A. Energy B. Charge C. Mass D. Momentum
CFC is used in _________________? April 17, 2025 by admin A. Refrigeration B. Aerosol spray C. Plastic foam industry D. All of above
Average distance covered by alpha particles in the air before its ionizing power ceases is called its_________________? April 17, 2025 by admin A. Trajectory B. Range C. Firing level D. Limit
