AQA A Level Physics復(fù)習(xí)筆記4.1.2 Resolving Vectors
Resolving Vectors Two vectors can be represented by a single?resultant vector Resolving a vector is the opposite of adding vectors A single resultant vector can be resolved This means...
AQA A Level Physics復(fù)習(xí)筆記4.1.1 Scalars & Vectors
Scalars & Vectors A?scalar?is a?quantity?which?only?has a magnitude (size) A?vector?is a quantity which has?both?a magnitude and a direction For example, if a person goes on a hike in th...
AQA A Level Physics復(fù)習(xí)筆記3.5.1 Refraction at a Plane Surface
Refractive Index Refraction occurs when light passes a boundary between two different transparent media At the boundary, the rays of light undergo a?change in direction The direction is take...
AQA A Level Physics復(fù)習(xí)筆記3.4.1 Single Slit Diffraction
Diffraction Diffraction is the?spreading out?of waves when they pass an obstruction This obstruction is typically a narrow slit known as an aperture The extent of diffraction depends ...
AQA A Level Physics復(fù)習(xí)筆記3.3.1 Path Difference & Coherence
Path Difference & Coherence Interference occurs when waves?overlap?and their resultant displacement is the?sum of the displacement of each wave This result is based on the principle of s...
AQA A Level Physics復(fù)習(xí)筆記3.2.1 Stationary Waves
Stationary Waves Standing waves?are produced by the?superposition?of two waves of the same?frequency?and?amplitude?travelling in?opposite directions This is usually achieved by a travelling ...
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AQA A Level Physics復(fù)習(xí)筆記3.1.1 Progressive Waves
Properties of Oscillations A progressive wave is defined as: A wave that transfers energy from one point to another without transferring the medium itself Properties of a Progressive Wave Di...
AQA A Level Physics復(fù)習(xí)筆記3.5.3 Fibre Optics
Fibre Optics Fibre optics utilise the phenomenon of total internal reflection to send high speed light signals over large distances These have many important uses, including: Communications,...
