Answer:
B) nitrogen
the Earth's atmosphere is mostly nitrogen
<span>Alfred Wegener was the first one to propose the idea of moving continents as a scientific hypothesis
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Like when you put ice in water it starts going down
Answer: Wavelength of ultraviolet light is 54 nm.
Explanation:
Electromagnetic wave is defined as the wave which is associated with both electrical and magnetic component associated with them. They can travel in vacuum as well and travel with the speed of light.
The relationship between wavelength and frequency of the wave follows the equation:
where,
= frequency of the wave =
c = speed of light =
= wavelength of the wave
Putting in the values we get:
Thus wavelength of ultraviolet light is 54 nm.