Reflection- serious thought or consideration
Absorption- the process or action by which one thing absorbs or is absorbed by another.
Diffusion- the spreading of something more widely.
Diffraction- the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced.
Refraction- measurement of the focusing characteristics of an eye or eyes
1. 25
2. 55-25 = 30
Hope this helps! :)
Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, that is, in the range 10 nm to <span>400 nm</span>