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
11. The instrument used to detect radiation is:
- Thermometer
- Geiger-Muller counter
- Barometer
- Ammeter
13. Alpha radiation can be stopped by:
- Paper sheet
- Thin aluminum foil
- Thick lead
- None
14. Gamma radiation can be reduced effectively by:
- Air
- Paper
- Lead or concrete
- Wood
16. Radioactivity is a property of:
- Heavy elements
- Light elements
- Liquids only
- Gases only
17. The harmful effect of radiation on living cells is due to:
- High pressure
- Ionization
- Heating
- Friction
18. Which of the following is used in cancer treatment?
- Infrared radiation
- Gamma radiation
- Microwave radiation
- Ultraviolet radiation
19. The energy of gamma rays is:
- Less than visible light
- Equal to X-rays
- More than X-rays
- Equal to beta rays
20. The process of emission of radiations from unstable nuclei is called:
- Conduction
- Radiation
- Radioactivity
- Diffusion