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IB DP Physics: HL復習筆記5.1.4 Electric Fields

2022-08-01

Electric Fields An?electric field?is a region of space in which an electric charge “feels” a force It is a?vector?field The direction of the electric field is the same as the direction of the elect...

IB DP Physics: HL復習筆記5.1.3 Potential Difference & DC

2022-08-01

Potential Difference Potential difference is a measure of the electrical potential energy transferred from an electron as it moves between two points in a conductor Potential difference is work don...

IB DP Physics: HL復習筆記5.1.2 Drift Speed

2022-08-01

Drift Speed In conductors, only negatively charged (delocalised) electrons are allowed to move between atoms In general, an electric current can arise from the flow of either positive or negative p...

IB DP Physics: HL復習筆記5.1.1 Charge & Current

2022-08-01

Charge Charge is measured in?coulombs?(C). One coulomb is defined as: The charge carried by an electric current of one ampere in one second? Charge is a?scalar?quantity Electrons?have a?negative ch...

IB DP Physics: HL復習筆記4.5.4 Harmonics

2022-08-01

Harmonics Stationary waves can have different wave patterns, known as?harmonics These depend on the?frequency?of the vibration and the?boundary conditions?(i.e. fixed and/or free ends) The harmonic...

IB DP Physics: HL復習筆記4.5.3 Boundary Conditions for Standing Waves

2022-08-01

Boundary Conditions Stationary waves can form on strings or in pipes In both cases, progressive waves travel in a medium (i.e. the string or air) and superimpose with their reflections The number o...

IB DP Physics: HL復習筆記4.5.2 Nodes & Antinodes

2022-08-01

Nodes & Antinodes A standing wave is made up?nodes?and?antinodes Nodes?are locations of?zero amplitude?and they are?separated by half a wavelength?(λ/2) Antinodes?are locations of?maximum ampli...

IB DP Physics: HL復習筆記4.5.1 The Nature of Standing Waves

2022-08-01

The Nature of Standing Waves Standing waves?are produced by the?amplitude?travelling in?opposite directions This is usually achieved when a travelling wave superimposes its reflection The superposi...

IB DP Physics: HL復習筆記4.4.7 Double-Slit Equation

2022-08-01

Double-Slit Equation Interference Patterns Interference patterns depend on: The?coherent?light incident on the slits The?distance between the slits and the screen?where the interference pattern is ...