Jaisul Naik

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GCSE Physics | Half Life

Question 1 A radioactive chemical has an activity of 10,000Bq. What is the activity of this chemical after 2 half-lives have passed? Question 2 A scientist finds a piece of radioactive rock
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A-Level Maths | Transformations of Graphs

* Types of transformations: * Enlargement (stretch) * Translation (movement) * Reflection * Tips * Transformations outside the bracket affect the y-coordinates * Transformations inside the bracket affect the x-coordinates * When it is inside the bracket, think OPPOSITE * f(x)
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A-Level Economics | Year 12 Macroeconomics Summary

* what is the difference between macro and micro? * the diagrams for macroeconomics * AD = C + I + G + (X-M) * C: consumer confidence, interest rates, disposable incomes * I: interest rates, business confidence * G: state of the