Electromagnetic spectrum

Uses of UV light

Tanning beds

Produces vitamin D

Disinfection of hospital instruments

Treating skin conditions/jaundice

Definition of transverse waves

Vibrations are perpendicular to the direction of energy transfer

Or particles move up and down in the direction of energy transfer

Detectors of gamma

Photographic film, GM tube

Detectors of X ray

Photographic film

Detectors of UV light

causes fluorescence in some objects, film

Detectors of infrared

(Black-bulb) thermometer, CCD, photodiode, photo transistor

Microwave detectors

Aerial

Gamma rays detectors

Aerials

which ones are used to observe space

1. visible light

2. infrared and ultraviolet

3. microwaves and X-rays

4. radio waves and gamma rays

All of them

Order of increasing wavelength

Gamma

X rays

Ultra violet

Visible light

Infrared

Microwave

Radio waves

Phrase to help remember

Gay xenomorph umbrellas vex icky maga rats