Term
| what can form a REAL image from a REAL object |
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Definition
convex lens
concave mirror |
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| any kind of wave that spreads out after passing through a narrow gap.... |
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| a light ray can change direction when going from one medium to another is known as... |
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| the type of lens that spreads parallel light is... |
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| colors seen when gasoline forms a thin film on water is a demonstration of... |
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| as the blue morpho butterfly flaps its wings, the angle at which the light strikes the wings changes the colors and makes it hard for predators to follow. what causes this change? |
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Definition
| As the angle changes, the differences in paths among light reflected from different surfaces change, resulting in constructive interference for a different color. |
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| when star gazing on a dark evening, the pupil diameter expands. the result is that the total amount of light energy reaching the retina increases and the spread decreases. as a result of this, the intensity of the central image.... |
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Definition
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| in a double slit experiment, both lights are monochromatic, what will the fringes do if the first light is green and the second light is changed to red |
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Definition
| the fringes stay the same |
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Term
| two convex lenses identical in size and shape are manufactured from glass with two indices of refraction. Lens a has a higher index than lens b and consequently.... |
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Definition
| lens A has a shorter focal length |
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Term
| bubba looks into a mirror sized positioned so that he can just barely see his head and shoes at the same time. as he walks backwards from the mirror his shoes... |
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Definition
| disappear below the mirror |
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Term
| the critical angle for a transparent material is the angle at and beyond which all light within the material is... |
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Definition
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Term
PICTURE=mountain...tree...squirrel...human
joe's eyes are focused on the tree. the image of the mountain is... |
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Definition
| in front of the fovia, between the fovia and lens. |
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Term
| the picture with each point acting as a source for a new wavelet (circle...flower) |
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Definition
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Term
| the fundamental resolution of an optical instrument is set by... |
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Definition
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Term
| accommodation of the eye refers to its ability to... |
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Definition
| focus on both nearby and distant objects |
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Term
| light refracts when traveling from air to glass because light.. |
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Definition
| has a slower speed in glass than air |
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Term
| if you wish to spear a fish with a regular spear,you should compensate for the air and water and throw your spear... |
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Term
| the intensity pattern...low high low...PICTURE...is due to... |
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Term
| if the diameter of a lens is reduced, what happens to the magnification produced by the lens... |
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Definition
| the magnification increases |
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Term
| if the new image is real it is believed to also be |
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Definition
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Term
| index of refraction for water |
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Definition
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Term
| index of refraction for air |
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Definition
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Term
| index of refraction for glass |
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Definition
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Term
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Definition
X=C=speed of light
Y=V=speed in material |
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Definition
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Definition
X=C=speed of light
Y=wavelength=landa |
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Term
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Definition
| d * sin(theta) = m * landa |
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Term
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Definition
Y=(M * landa * L)/d
L=screen distance
m=fringe number
landa=wavelength
d=space between fringes |
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Term
| the science of measuring the wavelengths of atomic and molecular emissions is... |
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Definition
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Term
| equation for interference |
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Definition
2T=(m+.5)(landa/n)
t=thickness
m=fringe
n=index of refraction |
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Term
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Definition
theta=m(landa/d)
m=fringe
landa=wavelength
d=slit width |
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Term
| circular aperture secondary equation |
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Definition
1.22 * (landa/d)
d=diameter |
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Term
| central max circular aperture equation |
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Definition
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Definition
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| dsin(theta) where d has to equal... |
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Definition
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Term
| the change in Y= fringe spacing |
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Definition
| change in Y=(L * landa)/d |
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| a reflection for a smooth shiny surface is... |
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Definition
| n1 * sin(theta of 1) = n2 * sin(theta of 2) |
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Definition
M={-(image/object)}
if negative inverted
if positive upright |
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Term
| a virtual image is always... |
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Definition
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Definition
| (1/object) + (1/image) = (1/focal point) |
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Term
| (1/image) will be negative when.... |
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Definition
| virtual image, on the same side of the lens as object or behind mirror |
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Term
| (1/focal point) will be negative when.... |
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Definition
| diverging lens or convex mirror |
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| (S prime) distance of object negative when |
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| farsightedness can only be corrected by |
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