PHYSICS- Radiation Questions and Answers
Radiation questions with answers are an essential part of physics aptitude questions and answers for exams like NEET, SSC, and RRB. Radiation involves the emission and transfer of energy through electromagnetic waves or particles. Understanding concepts such as types of radiation, radioactive decay, and safety measures helps in solving both theoretical and numerical questions. This article includes practice questions with explanations to enhance your grasp of radiation physics and improve your competitive exam readiness.
PHYSICS- Radiation
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25 questions
21. To prevent radiation exposure, workers use:
- Apron and gloves
- Lead shielding
- Plastic suits
- Cotton clothes
22. Which law describes the decrease in radioactive atoms over time?
- Ohm's law
- Boyle's law
- Radioactive decay law
- Avogadro's law
23. When a radioactive nucleus emits an alpha particle, its atomic number:
- Increases by 2
- Decreases by 2
- Remains the same
- Decreases by 4
24. When a beta particle is emitted, the mass number:
- Increases by 1
- Decreases by 1
- Remains the same
- Doubles
25. Which radiation can be used for sterilizing medical instruments?
- Gamma rays
- Infrared rays
- Alpha rays
- Beta rays