Electromagnetic waves (AQA A-Level Physics): Flashcards

📚Flashcards
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Electromagnetic waves
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

10 cards from this deck

Show

Orientation of E & B fields in EM waves

Perpendicular to each other & to propagation direction

Maxwell's equation for EM wave speed in vacuum

c=1μ0ε0c = \frac{1}{\sqrt{\mu_0 \varepsilon_0}}

What μ0\mu_0 relates

Magnetic field to current

What ε0\varepsilon_0 relates

Electric field to charge

Hertz's detector for electric field of radio waves

Dipole receiver

Hertz's detector for magnetic field of radio waves

Loop of wire with a gap

How Hertz measured wavelength of radio waves

Metal sheet created stationary waves to measure λ\lambda

Receiver orientation for max signal (polarisation)

Perpendicular to E-field oscillation

Rotation angle for signal oscillation (polarisation)

90°

Fizeau's equation for light speed

c=4dnfc = 4dnf where dd=distance, nn=gaps, ff=frequency

Explore AQA A-Level Physics Revision Notes by Topics

Thermodynamics and engines

The discovery of the electron

Wave-particle duality

Special relativity

Explore AQA A-Level Physics Model Answers by Topics

Thermodynamics and engines

The discovery of the electron

Wave-particle duality

Special relativity

Explore AQA A-Level Physics Quizzes by Topics

Thermodynamics and engines

The discovery of the electron

Wave-particle duality

Special relativity

Explore AQA A-Level Physics Exam Questions by Topics

Thermodynamics and engines

The discovery of the electron

Wave-particle duality

Special relativity

Join 100,000+ A-Level students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.