Term
| electromagnetic (EM) wave def. |
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Definition
| composed of oscillating electric and magnetic feilds. Generatd by an oscillating electric charge. Are transervse waves. |
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Definition
| direction that wave's electric feild oscillates |
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| speed of light in vaccum eq. |
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Definition
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Definition
E = hf = h (c/λ)
h- Planck's constant
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| Describe elecrtomagnetic radiations' wave-particle duality |
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Definition
| it travels like wave but interacts with matter like particle |
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Definition
| angel of reflection equal to angel of incidents |
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Definition
| at angel to line perp to media |
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Definition
n=c/v
n-index of refraction
c- speed of light in a vacuum
v- speed of light in a medium |
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Term
| equation to determine refractive index between materials |
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Definition
n1sinθ1=n2sinθ2
n-refractive index |
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Term
| Explain the circumstances necessary to have total internal reflection occur. |
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Definition
| when light tries to go from a medium of high refractive index to lower refractive index and it's angle of insidence is greater than the critical angel. |
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Term
| critical angle for total internal reflection eq. |
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Definition
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Term
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Definition
| redistrubution of waves intensity when it encounters an obstrucution |
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Term
| Polarized light vrs. normal light |
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Definition
| while beams of normal light would vibrate in all planes, the direction of polarized light has been restricted |
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Definition
diff frequencies have varrying wave speed.
ie white light dispersing into rainbow. |
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Term
| how does image appear in a plane mirror? |
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Definition
| when object infront, image behind, same size, equal distance and upright |
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Term
| how does an image appear in a concave mirror? |
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Definition
| a real image, inverse, same side as object. |
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Term
| how does an image form in a convex mirror? |
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Definition
| virtual image formed upright on opp side of object. |
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Term
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Definition
1/o +1/i = 1/f
o-objects distance (always +)
i - image distance (+ if same side as observer)
f - focal length ( + if same side as observer) |
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| if optical power P of lens is found through eq. P=1/f where f is focal length in meters, whats the power of the lens if the distance from the eye is 2.0cm? |
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Definition
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