Skip to content

Dabour HubLEARN · PRACTICE · EXPLORE Sign inStudent

Unit 4 of 5

Electrons, Waves and Photons

OCR A Level Physics A H556 · 62 lessons · 9 quizzes

Start the first lesson

4.1

4. Electrons, Waves and Photons20 min

4.1.1

Electric Current and Charge20 min

4.1.2

Electric Current and Electron Flow20 min

4.1.4

Current in a Current Carrying Conductor20 min

4.1.5

Conductors, Semiconductors and Insulators20 min

4.1.6

Circuit Symbols and Diagrams20 min

4.2.2

Ohm's Law and I-V Characteristics20 min

4.2.3

Investigating Electrical Characteristics of Components20 min

9.3.1

Resistance20 min

10.2.1

Kirchhoff's First Law20 min

4.1.3

Kirchhoff's First Law20 min

4.2.1

Resistance20 min

4.10.1

The Photoelectric Effect20 min

4.10.2

Demonstrating the Photoelectric Effect20 min

4.10.3

The Photoelectric Equation20 min

4.10.4

Work Function and Threshold Frequency20 min

4.10.5

Maximum Kinetic Energy and Intensity20 min

4.11.1

The Photon20 min

4.11.2

The Electronvolt20 min

4.11.3

Determining the Planck Constant20 min

4.11.4

Electron Diffraction20 min

4.11.5

The de Broglie Equation20 min

4.2.4

The Light-Dependent Resistor (LDR)20 min

4.2.5

Resistivity20 min

4.2.6

Determining the Resistivity of a Metal20 min

4.2.7

Thermistors20 min

4.3.1

Power20 min

4.3.2

Electrical Energy20 min

4.3.3

Kirchhoff's Second Law20 min

4.3.4

Kirchhoff's Laws in Circuits20 min

4.3.5

Resistors in Series and Parallel Circuits20 min

4.3.6

Series and Parallel Circuits20 min

4.3.7

Circuits with Multiple Sources of e.m.f20 min

4.4.1

E.m.f and Internal Resistance20 min

4.4.2

Calculating E.m.f20 min

4.4.3

Determining Internal Resistance20 min

4.4.4

E.m.f and Potential Difference20 min

4.4.5

Energy Transfer20 min

4.5.1

Potential Divider Circuits20 min

4.5.2

Variable Resistance Components20 min

4.5.3

Investigating Potential Divider Circuits20 min

4.6.1

Progressive Waves: Longitudinal and Transverse20 min

4.6.2

Calculating Frequency20 min

4.6.3

The Wave Equation20 min

4.6.4

Graphical Representations of Transverse and Longitudinal Waves20 min

4.6.5

Intensity of a Wave20 min

4.7.1

The Electromagnetic Spectrum20 min

4.7.2

Polarisation20 min

4.8.1

Refraction20 min

4.8.2

Total Internal Reflection20 min

4.8.3

Wave Phenomena20 min

4.9.1

Superposition20 min

4.9.10

Determining the Speed of Sound in Air in a Resonance Tube20 min

4.9.11

Harmonics20 min

4.9.2

Graphical Representation of Superposition20 min

4.9.3

Interference20 min

4.9.4

Two-Source Interference20 min

4.9.5

Young's Double-Slit Experiment20 min

4.9.6

Determining the Wavelength of Light20 min

4.9.7

Stationary Waves20 min

4.9.8

Stationary vs Progressive Waves20 min

4.9.9

Nodes and Antinodes20 min

Practice for this unit

4.1.1 Electric Current and Charge - Check yourself

Marked questions with instant feedback and a full review.

4.1.2 Electric Current and Electron Flow - Check yourself

Marked questions with instant feedback and a full review.

4.1.4 Current in a Current Carrying Conductor - Check yourself

Marked questions with instant feedback and a full review.

4.1.5 Conductors, Semiconductors and Insulators - Check yourself

Marked questions with instant feedback and a full review.

4.1.6 Circuit Symbols and Diagrams - Check yourself

Marked questions with instant feedback and a full review.

4.2.2 Ohm's Law and I-V Characteristics - Check yourself

Marked questions with instant feedback and a full review.

4.2.3 Investigating Electrical Characteristics of Components - Check yourself

Marked questions with instant feedback and a full review.

9.3.1 Resistance - Check yourself

Marked questions with instant feedback and a full review.

10.2.1 Kirchhoff's First Law - Check yourself

Marked questions with instant feedback and a full review.