Lab 9:Electromagnetic Spectrum

Purpose/objective:

The purpose of this experiment is to learn about the electromagnetic spectrum of light

Equipment needed:

1. Computer

2. Paper, Pencil

Details:

Watch this you tube video

https://www.youtube.com/watch?v=lwfJPc-rSXw

The electromagnetic spectrum is the range of all types of electromagnetic radiation that includes the high energy gamma radiation to the lowest energy radio waves. The division of the spectrum can be based on energy, wavelength or frequency of the radiation.

1034 1022 1018 1016 1014 Increasing Frequency (v) 1012 1 1010 108 106 104 102 10" v (HZ) y rays X rays UV IR Microwave FM AM Long radio waves 10-16 Radio waves 10-14 10-12 10-10 108 -6 104 10-2 10 102 10* 106 108 A. (m) Increasing Wavelength ()) - Visible spectrum 380 V 450 B 495 G 570 Y 590 O 620 R 750visible light Atmosphere Opaque Radio Window Atmosphere Opaque Optical Atmosphere Opaque to Wavelengths Window to Wavelengths to Wavelengths 106 (Hertz) 109 Hz 1012 Hz 1015 Hz 1018 Hz 1 021 Hz Radio Waves Microwaves Infrared Ultraviolet X-rays Gamma Waves 102 (meters) 10' m 10m : 10-1m 10-2m 10-3m 10-4m 10-5m 10:6m 10-7m 10-m 10-9m 10:10 m 10-11 m : 10-12 m (1 m) (1 cm) (1 nm) A Wavelength = Wavelength = Wavelength = Wavelength = Wavelength = length of a football field width of a baseball thickness of paper width of a water molecule size of atomic nuclei : 4.... ...... AM radio FM Radio Cell Phone Microwave Oven Human bodies Remotes Visible Light Sunburn Medical X-rays Nuclear Power and Wi-Fi radiate heat