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Physics
The hazard from contamination is due to the decay of the contaminating…
AQAGCSE
8463
Physics
The irradiated object does not become radioactive.
AQAGCSE
8463
Physics
The type of radiation emitted affects the level of hazard.
AQAGCSE
8463
Physics
Applications eg relevance to storage of radioactive waste, radioactive…
AQAA-Level
7408
Physics
Radioactive Decay (alpha, beta, gamma)
OCRGCSE
This comprehensive study guide for OCR GCSE Physics (7.3) demystifies radioactive decay. It provides a detailed breakdown of alpha, beta, and gamma radiation, focusing on the core knowledge required to secure top marks in your exam, complete with worked examples and multimedia assets.
Combined Science
A beta particle (β) – a high speed electron ejected from the nucleus as a…
AQAGCSE
8464
Combined Science
A gamma ray (γ) – electromagnetic radiation from the nucleus
AQAGCSE
8464
Combined Science
Radioactive decay and nuclear radiation: a neutron (n).
AQAGCSE
8464
Combined Science
Activity is measured in becquerel (Bq)
AQAGCSE
8464
Physics
Activity is measured in becquerel (Bq) Count-rate is the number of decays…
AQAGCSE
8463
Combined Science
Activity is the rate at which a source of unstable nuclei decays.
AQAGCSE
8464
Physics
Activity is the rate at which a source of unstable nuclei decays.
AQAGCSE
8463
Combined Science
An alpha particle (α) – this consists of two neutrons and two protons, it…
AQAGCSE
8464
Combined Science
Count-rate is the number of decays recorded each second by a detector (eg…
AQAGCSE
8464
Physics
Required knowledge of the properties of alpha particles, beta particles…
AQAGCSE
8463
Combined Science
Some atomic nuclei are unstable. The nucleus gives out radiation as it…
AQAGCSE
8464
Physics
Some atomic nuclei are unstable. The nucleus gives out radiation as it…
AQAGCSE
8463
Physics
Students should be able to apply their knowledge to the uses of radiation…
AQAGCSE
8463
Combined Science
Students should be able to apply their knowledge to the uses of radiation…
AQAGCSE
8464
Combined Science
The nuclear radiation emitted may be:
AQAGCSE
8464
Physics
The nuclear radiation emitted may be: an alpha particle (α) – this…
AQAGCSE
8463
Physics
Balance equations representing the emission of alpha, beta or gamma…
OCRGCSE
J249
Physics
Calculate the net decline, expressed as a ratio, during radioactive…
OCRGCSE
J249
Physics
Explain the concept of half-life and how this is related to the random…
OCRGCSE
J249
Physics
Recall that atomic nuclei are composed of both protons and neutrons, that…
OCRGCSE
J249
Physics
Recall that atoms of the same elements can differ in nuclear mass by…
OCRGCSE
J249
Physics
Recall that changes in atoms and nuclei can also generate and absorb…
OCRGCSE
J249
Physics
Recall that in each atom its electrons are arranged at different distances…
OCRGCSE
J249
Physics
Recall that some nuclei are unstable and may emit alpha particles, beta…
OCRGCSE
J249
Physics
Recall the differences in the penetration properties of alpha particles,…
OCRGCSE
J249
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