Answer:
The melting point of a substance is the temperature at which it change state from solid to liquid is called crystallization point.
The electromagnetic spectrum consists of the full range of known electromagnetic waves. And among them, X-rays has the wavelength of the region 1*10-11 to 1*10-8 meters.
<span>D. It shows that the electrons within an atom do not have sharp boundaries.</span>
I think its the mirror because condenser helps in allowing the amount of light to pass.
