Electromagnetic waves.pptxElectromagnetic waves.pptx

Electromagnetic waves.pptx

1. Electromagnetic waves

2. Types of electromagnetic waves Radio waves Microwaves Infrared Visible Light Ultraviolet X-rays Gamma Rays

3. Radio waves SOURCE Vibrating electrons USES/APPLICATIONS 1.Wireless communication 2. Radio and Television communication

4. MICROWAVES SOURCE Vibrating electrons USES/APPLICATIONS Communication particularly long- distance radio relay systems (satellite television and communication) microwave ovens

5. INFRARED SOURCE Hot objects USES/APPLICATIONS Missile guidance, long distance photography, medical treatment, burglar alarms, remote controls and household electrical appliances.

6. Visible light SOURCE Very hot objects USES/APPLICATIONS Vision, artificial lighting, optical fibers in medical uses, screen of electronic devices.

7. ultraviolet SOURCE Arc and gas discharges USES/APPLICATIONS Medical treatments, sanitation process, sterilization, and fluorescence.

8. X-rays SOURCE Electron striking a target USES/APPLICATIONS Medical purposes, security, engineering applications

9. Gamma rays SOURCE Nuclei of radioactive atoms USES/APPLICATIONS Cancer treatment, metal defect detection, beneficial mutations, food preservation