Spec J249
Revise OCR GCSE Physics 5.2.7 Uses of electromagnetic waves with the question bank and revision guides.
give examples of some practical uses of electromagnetic waves in the radio, microwave, infrared, visible, ultraviolet, X-ray and gamma ray regions; Practical (PAG P8 Interactions of waves): use a microwave emitter and absorber to demonstrate the behaviour of waves; use a phone camera to look at the infrared emitter on a remote control.
