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BASIC RADIATION SAFETY AMMO-66 COMPREHENSIVE EXAM PAPER 2026 SOLVED QUESTIONS GRADED A+ ● Which statement best describes a nuclear decay product? Answer: It can be stable or unstable but will alw

HEAL100 Health Care — exam and revision material · Other

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Health Care exam material, 15 pages. Originally published on StudyMerit.

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15
Academic year
2025/2026
Language
English

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BASIC RADIATION SAFETY AMMO - 66 COMPREHENSIVE EXAM PAPER 2026 SOLVED QUESTIONS GRADED A+ ● Which statement best describes a nuclear decay product? Answer: It can be stable or unstable but will always have less energy than its parent. ● What is the half - life of an unstable isotope? Answer: The time required for half of its atoms to decay ● What charge does an alpha particle have? Answer: +2 (positive two) charge ● Which statement is true about alpha particles? Answer: They have two neutrons. ● Which statement is true about beta particles? Answer: They have the same mass as an electron ● What charge does a beta particle have? Answer: - 1 (negative one) charge

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● Which statement is true about gamma rays? Answer: They travel at the speed of light ● What charge does a gamma ray have? Answer: Neutral (no charge) ● Why are alpha particles, beta particles, and gamma rays considered forms of nuclear radiation? Answer: They are emitted from an unstable nucleus when it decays ● Which type of nuclear radiation is fastest moving? Answer: Gamma ray ● All ions have a positive or negative electrical charge. Answer: True ● Ions behave the same as their neutral forms. Answer: False ● Which of the following describes the process of ionization? Answer: A neutral atom acquiring either a positive or negative charge ● Gamma Ray Answer: - Fast (moves at the speed of light) - No electrical charge - no zone of influence (must collide with an electron to transfer enough energy to remove it from orbit) - Least ionizing form of nuclear radiation

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● Alpha Particle Answer: - Heavy, slow - moving particles with a +2 charge High electrical charge - wide zone of influence (pulls electrons out of their orbits as they pass through matter) - High ionizing form of nuclear radiation ● Beta Particle Answer: - Faster moving particles with - 1 charge - Low electrical charge - narrow zone of influence (must come close enough to repel electrons out of orbit) - Moderate ionizing form of nuclear radiation ● Beta Particle Answer: - Have a range of a few feet in the air - Can penetrate a sheet of paper, but not a thin sheet of aluminum ● Gamma Ray Answer: - Have a long range - Can pass through dense material ● Alpha Particle Answer: - Have a short range - Cannot penetrate a sheet of paper ● In which three ways are X - rays and gamma rays alike? Answer: - They remove electrons from an atom - They are both ionizing forms of radiation

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