Edexcel IGCSE Physics: Double Science 復習筆記：7.2.1 Activity & Decay Activity and Decay Objects containing radioactive nuclei are called?sources?of radiation Sources of radiation decay...
Edexcel IGCSE Physics: Double Science 復習筆記：7.1.6 Detecting Radiation Detecting Radiation It is important to regulate the exposure of humans to radiation The amount of radiation received...
Edexcel IGCSE Physics: Double Science 復習筆記：7.1.5 Decay Equations Decay Equations Radioactive decay events can be shown using a?decay equation A decay equation is similar to a che...
Discrete Random Variables What is a discrete random variable? A?random variable?is a variable whose value depends on the outcome of a?random event The value of the random variable is not known unti...
Edexcel IGCSE Physics: Double Science 復習筆記：7.1.4 Core Practical: Investigating Radiation Core Practical 13: Investigating Radiation Aim of the Experiment ?The aim of this experiment is ...
Edexcel IGCSE Physics: Double Science 復習筆記：7.1.3 Types of Radiation Types of Radiation Unstable Nuclei and Radiation Some atomic nuclei are?unstable This is because of an imbalance in t...
Edexcel IGCSE Physics: Double Science 復習筆記：7.1.2 Isotopes Isotopes Although the number of protons in a particular element is always the same, the number of?neutrons?can be different Iso...
Probability Formulae What is meant by probability formulae? If you have seen any of the other Revision Notes on probability, almost every one contains a formula These however are often disguised in...
Edexcel IGCSE Physics: Double Science 復習筆記：7.1.1 Atomic Structure Atomic Structure Atoms are the building blocks of?all matter They are incredibly small, with a radius of only 1 ...
Edexcel IGCSE Physics: Double Science 復習筆記：6.2.2 Generators & Dynamos Generators & Dynamos The?generator effect?can be used to: Generate?a.c?in an?generator Generate?d.c?...
Further Tree Diagrams What do you mean by further tree diagrams? The tree diagrams used here are no more complicated than those in the first?Tree Diagrams?revision note, however The wording/termino...
Edexcel IGCSE Physics: Double Science 復習筆記：6.2.1 Electromagnetic Induction Electromagnetic Induction Electromagnetic (EM) induction is used to generate electricity EM induction is when:...
