OCR GCSE PHYSICS A Wave model of radiation

This section of the website contains suggestions for material that could be used with the OCR 21st century Science GCSE Physics Specification.

OCR is not affiliated with the author of the site and has had no involvement with the content of this website.

I am grateful to OCR for permission to reproduce adapted versions of text from their 21st century Science Specification on this site. For the full version of the specification please see: OCR Physics A J635

P6.1 What are waves?

Waves and energy transfer Waves (11-14)

Transverse and longitudinal waves
Waves (11-14)

Wave properties
Waves (11-14)

Diagrams showing amplitude and wavelength
Waves (11-14)

Equation for a wave
Waves (11-14)
Wave speed proof (14-16)

Speed variation with amplitude and frequency
(This section is still in preparation)

11-14/Wave properties/Problems/Waves and vibrations
11-14/Wave properties/Problems/Waves and vibrations 2
14-16/Wave properties/Problems/Waves and oscillations
14-16/Wave properties/Problems/Wave model of radiation 1

P6.2 Wave nature of light and sound

Wave reflection
Waves in a ripple tank (11-14)
Teachers/OHTs/Light/Waves in a ripple tank reflection

Waves and refraction
Refraction and soldiers (11-14)
Refraction (11-14)
Teachers/OHTs/Light/Waves in a ripple tank refraction

Refraction diagrams
Refraction and soldiers (11-14)
Refraction (11-14)

Refraction and change of speed
Refraction and soldiers (11-14)
Refraction (11-14)Teachers/OHTs/Light/Refraction and change of speed
Teachers/OHTs/Light/Refraction and soldiers

Total internal reflection
Total internal reflection (11- 14)

Diffraction
Diffraction (14- 16)

Interference
Interference (14-16)
Teachers/OHTs/Wave properties/Double slits wave plan

Evidence for the wave nature of light and sound
Interference (14-16)
Diffraction (14-16)
(Further material for this section is being prepared)

14-16/Wave properties/Problems/Wave model of radiation 2
11- 14/Light/Problems/Reflection and refraction

P6.3 Properties of electromagnetic radiation

Colour and frequency
Electromagnetic spectrum (14-16)

Electromagnetic spectrum
Electromagnetic spectrum (14-16)

Energy and frequency of a photon
Quantum theory of radiation (14-16)

Intensity of a beam
Electromagnetic radiation (14-16)
Quantum theory of radiation (14-16)

Speed of electromagnetic radiation
Electromagnetic radiation (14-16)

Electromagnetic radiation and sound waves- differences and similarities
14-16/Wave properties/Text/Electromagnetic radiation (14-16)
11-14/Sound/Text/Sound waves (11-14)

Transmission of electromagnetic radiation and its uses
14-16/Wave properties/Text/Electromagnetic spectrum (14-16)
Transmission of information (14-16)
Microwave ovens (14-16)
Microwave ovens (16- 19)

14-16/Wave properties/Problems/Wave model of radiation 3

P6.4 Waves and information

Fibre optics
Fibre optics (11-14)

Modulation
Modulation and demodulation (14-16)

Modulation of a radio wave by a sound signal
Modulation and demodulation (14-16)

Analogue signals and receivers
Analogue and digital signals (14-16)
Digital sound (14-16)

Digital transmission
Binary numbers (14-16)

Demodulation
Modulation and demodulation (14-16)

High quality digital transmission
Binary numbers (14-16)
Transmission of information (14-16)

Noise
Transmission of information (14- 16)

Digital transmission and noise
Binary numbers (14-16)
Transmission of information (14-16)

Digital and analogue signals compared
14-16/Wave properties/Text/Transmission of information (14-16)

14-16/Wave properties/Problems/Wave model of radiation 4