Student Made Electromagnetic Question Preview (ID: 26374)
Electromagnetic Spectrum.
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Which ultraviolet wave is the worst for people?
a) C
b) B
c) A
d) Death Rays
How old is the sun believed to be?
a) 4.6 billion years old
b) 13.7 billion years old
c) 4.6 million years old
d) 13.7 million years old
What doesn't use microwaves?
a) refrigerator
b) cell phone
c) microwave
d) high speed radar
Which type of ray has the longest wavelength?
a) radio waves
b) infared
c) microwave
d) gamma ray
Which of the following uses microwaves?
a) all of them
b) Doppler radar
c) microwave oven
d) Wifi
How many type of UV light are there?
a) 3
b) 1
c) 2
d) 4
What are the most harmful rays
a) gamma rays
b) x-rays
c) microwaves
d) UV
How does wind like to travel?
a) High to low
b) Low to high
c) High to high
d) Low to low
Which UV rays cause sunburn?
a) UVB
b) UVA
c) UVC
d) Gamma rays
Which of these is completely blocked by the atmosphere?
a) X-rays
b) visible light
c) infrared light
d) radio waves
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