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If light hits a mirror at an angle it reflects back at you but it will make the image look bigger or smaller (if the mirror is concave or convex). If it is a flat plane mirror the image is the same but if your holding something it will be on the opposite side

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Q: If light hits a mirror at an angle it reflects back at?
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A diver shines light up to the surface of a smooth pond at a 10 degree angle some light passes into the air above and the part that reflects back into the water makes an angle of how many degrees?

10


What happens when a ray of light hits a reflective surface like a mirror?

It'll undergo reflection and will get reflected back


Why does light reflect in a mirror?

A glass mirror is a piece of glass with a reflective coating on the back side. If a surface is extremely smooth and flat, it will reflect light waves without distorting them. Metal mirrors are less efficient, generally because the metal is difficult to polish to the same smoothness as glass. Water can be an effective mirror, if the surface of it is perfectly smooth. The question is Why? The answer is that light reflects off everything. It is normal for light to reflect. A photon hits an atom or molecule of substance and it bounces off it. That's how come we can see things. Because light bounces off them. So it is no mystery that light bounces off (reflects) mirrors. The only difference between mirrors and other things is they bounce nearly ALL the light wave lengths back and are smooth to not distort the reflection and we are accustomed to use them for looking at ourselves and come to think of them as different. If all the wavelengths were not reflected the mirror would have a colour. The colour of the reflected wavelengths of light. Absorption of a wavelength would be, I'd guess (I'm no scientist) the losing of some of the energy of those photons - lose all its energy and it'd be extinguished, I guess. Possibly the question really should be Why Can't We See A Mirror? because that's the funny thing: we see only the reflections and fail to see the reflective surface and that's because, again, 'seeing' means looking at reflected light. light bounces off the reflecting surface of the mirror. Note the reflecting surface of a mirror is commonly the metallic coating on the back of a sheet of glass. So if it's reflecting off metal why not make metal mirrors with no glass? Because this way is cheaper and easier. Depositing a fine layer of metal on a totally smooth piece of glass is a lot easier than taking a piece of metal and and polishing to a high finish - and then keep it that way.


What happens to light that moves from glass to air when its angle of incidence is greater than the critical angle?

It does not move from glass to air but undergoes internal refraction. That is, it is refracted back into the glass at the interface.


What occurs when light passes from one medium to a less optically dense medium at an angle so great that there is no refracted ray?

It is always refracted, but at an angle so that it goes back into the original medium. This phenomenon is called Total Internal Reflection. The angle that this occurs at is called the critical angle.