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Monday 11 February 2013

Optics

Revision for Unit 5 Optics
Definitions
1.Absorb: Is the process where fairylike energy is taken in the object lens and converted to caloric energy.
2.Transmit: Is the process where come slams (or energy) go by the object and out of the other side.
3.Reflection: Is the process in which decipherable strikes a surface and bounces back off that surface.
4.Opaque: Particles of an black material do not let any light to pass done; all the light energy is every absorbed or reflected.
5.Transparency: Is a measure of how oftentimes light can pass through a material.
6. straightforward: Particles in transparent material let light go through easily.
7.Translucent: Pars in translucent material channelise light but also reflect some, so a clear orbit can not be seen through it.
8.Optical Device: Produces an realize of an object.
9.Real Image: image that can be fixed on a screen.
10.virtual(prenominal) Image: Image that can not be placed on a screen and can only be seen by looking directly at it or through an optical device.
11.Plane Mirrors: a flat mirror.
12.Reflected re: is a ray of light that bounces off a reflecting surface
13.Incident ray: is a ray of light that travels toward a reflecting surface
14.Normal: is a line dawn from the point of relative relative incidence at 90 degrees to the surface of the optical device
15.

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Point of incidence: is the spot where the incidence ray strikes the reflecting surface.
16.Angle of incidence: Angle between the incidence ray and the normal.
17.Angle of reflection: Angle between the reflected ray and the normal.
18.Refraction: bending of light from one material to another.
19.lense: a curved transparent device that caused light to subject as it passes through.
20.Visible spectrum: the band of change visible in a rainbow.
21.Spectral colors: the 6 main colors of a rainbow ROY.G.BIV.
22. Electromagnetic spectrum: Entire range of radiant energies.









Questions
1-Describe the image in a concave mirror when...If you want to pretend a full essay, order it on our website: Ordercustompaper.com



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