Labels:crt screen | monitor | plant | sky | window OCR: MMA YS Electromagnetic radiation in which the photons have extremely short wavelengths 10 shorter frequency than 10 21 A to10^ and a high 9Hz 10 10 Gamma rays 10 10 4000 ravs Violet 100 Ultraviolet Gr Blue een 1000 Visible Ligh! 10 Infrared Red Orange 100 mm 7000 cm Microwaves 10 cm m 10 m 100 m Radio waves km 10 km 100km 19Hz