Alpha particle ionizes an atom_________________?
A. Through direct collision B. Through electrostatic attraction C. Through electrostatic repulsion D. All of above
Physics MCQs with Answers
T.V sets and microwave ovens emit ___________________?
A. X-rays B. α-rays C. β-rays D. γ-rays
An alpha particle in a single encounter__________________?
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 __________________?
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_______________?
A. 10 times more B. 100 times more C. 100 times less D. 10 times less
Geiger counter is suitable for _________________?
A. Fast counting B. Extremely fast counting C. Slow counting D. All situations
An alpha particle can produce fluorescence in__________________?
A. ZnS B. Barium platinocyanide C. Calcium tungstate D. All of above
Pair production cannot take place in a vacuum as ________ is not conserved ?
A. Energy B. Charge C. Mass D. MomentumB.
CFC is used in _________________?
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_________________?
A. Trajectory B. Range C. Firing level D. Limit