Edexcel IGCSE Physics: Double Science 复习笔记：3.2.4 Snell's Law
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.4 Snell's Law Snell's Law When light enters a denser medium (such as glass) it slows down and bends towards the normal How much the light ...
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.3 Core Practical: Investigating Refraction
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.3 Core Practical: Investigating Refraction Core Practical 4: Investigating Refraction Aim of the Experiment To investigate the refraction ...
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.1 Light & Sound Waves
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.1 Light & Sound Waves Light Visible light is a part of the electromagnetic spectrum which means it is a transverse wave This means the...
Edexcel A Level Maths: Pure:复习笔记6.2.2 Exponential Equations
Exponential Equations What are exponential equations? An equation where the unknown is a power In simple cases the solutions can be “spotted” How do I solve exponential equations? Laws of In...
Edexcel A Level Maths: Pure:复习笔记6.2.1 Laws of Logarithms
Laws of Logarithms What are the laws of logarithms? There are many laws or rules of indices, for example There are equivalent laws of logarithms (for a > 0) There are also some particular result...
Edexcel A Level Maths: Pure:复习笔记6.1.4 Derivatives of Exponential Functions
Derivatives of Exponential Functions What is the derivative of e? y = ex has the particular property ie for every real number x, the gradient of y = ex is also equal to ex (see Derivatives of Expon...
Edexcel A Level Maths: Pure:复习笔记6.1.3 "e"
"e" Exponential Function What is e, the exponential function? The exponential function is y = ex e is an irrational number e ≈ 2.718 As with other exponential graphs y = ex passes through (0, 1) ha...
Edexcel A Level Maths: Pure:复习笔记6.1.2 Logarithmic Functions
Logarithmic Functions Logarithmic functions a = bx and log b a = x are equivalent statements a > 0 b is called the base Every time you write a logarithm statement say to yourself what it means l...
Edexcel A Level Maths: Pure:复习笔记6.1.1 Exponential Functions
Exponential Functions Exponential functions Exponential functions of the form y = ax with a > 0 are considered at A level Exponential graphs All graphs of the form y = ax will pass through (0, 1...
