Q2 CHAPTER 6: Electromagnetic Spectrum Flashcards
_____ traveling disturbance that transparent energy from one location to another
Wave
Is the high point of the wave
Crest
The number of waves that pass by each second
Frequency
Low point of the wave
Trough
The maximum displacement of a point of a wave from its rest position
Amplitude
Distance between two consecutive point/wave
Wavelength
The undisturbed position of the particles if they do not vibrate
Rest position
They are used for mobile communication, radar tracking, navigation heating, and microwave ovens and other industrial purposes
Microwaves
Heat sensitive equipment is used in thermal imaging cameras to identify hot objects. the ______ thermal imaging is used in the diagnosis of some diseases
Infrared waves
Light enables us to see objects. it is used in optical fibers for medicine and communication. plants need light for photosynthesis
Visible light
_ are used to sterilize and disinfect medical equipment and various surfaces.
Ultraviolet (UV) rays
are used to examine the anterior of a opaque objects, such as the human body, and to analyze crystal structures
X-rays
Are used in medicine to destroy malignant tumors and in food irradiation to prolong shelf life
Gamma rays
Low frequency radio waves are used for AM radio and telegraphy. high frequency radio waves are used for FM radio and television communications
Radio waves
Are radiations in the form of heat, light, and electromagnetic energy that travel through space at the speed of light
Electromagnetic waves