science quiz Flashcards
What are the electromagnetic waves that people call light fall?
Infrared, VIsible light, Ultra violet waves.
What are gamma rays used to treat, but can also cause
Cancer
What can gamma rays pass though?
Everything
Can x-rays pass through bones?
no, but can pass through
tissue and organs.
can we see visible light
yes
what can you see inferad light from
night vision goggles
put in order from longest to shortest
inferred, UV, microwave, radio, gamma, x-ray, visible light
Radio, microwave, infrared, visible, UV, x-ray, gamma
what are the meters used to cook food
0.3-0.003 meters
what does an ems wave travel through
space
what is the speed of light
3.0 * 10^8 m/s
what light can give you sun burns?
u v light
how does one receive calls?
the phone encodes the sound of a calls voice in microwaves by changing the frequency of the wave
when a phone changes the frequency what is this called
frequency modulation
