salts
what are the salts for plane mirrors?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
a)same, upright, same distance, virtual
whats the salts for behind c?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
b)smaller, inverted, between c-f, real
whats the salts for diverging?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
g) smallee, upright, between v-f, virtual
whats the salts for at c?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
d) same, inverted, at c, real
whats the salts for between c-f?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
c) large, inverted, beyond c, real
whats the salts for at f?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
no image
whats the salts for between f and the mirror?
a)same, upright, same distance, virtual
b)smaller, inverted, between c-f, real
c) large, inverted, beyond c, real
d) same, inverted, at c, real
e) no image
f) large, upright, behind mirror, virtual
g) smaller, upright, between v-f, virtual
f) large, upright, behind mirror, virtual
what kind of light are neon signs?
electric discharge
what kind of light are glowing jellyfish?
bioluminescence
what kind of light are light bulbs?
incandescence
what kind of light are glow sticks?
chemiluminescence
what kind of light are christmas lights?
led
what kind of light are lazers?
lazer
what kind of light are glowing gloves?
flurescence
what kind of light are glow in the datk toys?
phosphorescence
if light is going from fast to slow it bends...
a) towards the normal
b)away from normal
a)tiwards the normal
if light is going from slow to fast ut bends...
a)towrds the normal
b)away from t he normal
b)waya from normal
what is faster than air
nothing
what is myopia
near-sightness, you can see nearby objects, distant objects are a problem
what is presbyopia
harder to see small print with age-age related
what is hyperopia
far-sightness, difficulty seeing nearby objects
what us a movie projector
takes small objects and prjects large, inverted, real image on a screen
what is the thickest part of a convec lens?
the middle
what is the thickest part of a cancave lens?
the outsides
what type of light is the production of lighg from a chemical reaction;often called "cold light"
bioluminescence
what type of light is the production of light by the absorption of ultraviolet light and releasing visible light over a period of time; used in glow in the dark material
phosphorescence
what tupe of libht is the production of light from the rubbing together of crystals
triboluminescence
what type if light is the production of light in living organisms
bioluminescence
what type of light is the production of light frim electruc current flowing through semiconductors; these are very energy efficient
incandescence
what type of light production of light from electricity flowing over a thin filament producing light and wasteful heat energy
led
what type of light is the production of light from the immediate emission kf visible light as a result of the absorption of ultraviolet light
flurescence
what type of light is the production of light from a pure, intense narrow beam
lazers
what type of light is the production of light from electric current passing through a gas, causing the gas to glow
electric discharge
what does the law of reflection state
1. the angle of incidence is equal to the angle of reflection
2.the incidence ray, reflected ray and normal all lie on the same plane
what are the two angles involved in reflection
1. angle of incudence
2. angle of reflection
what is specular reflection
reflection of light off a smooth shiny surface. rays reflect parrallel
what is diffuse reflection
reflection of light off irregular or dull surface. causes the light rays to bounce off in all directions
what are the types of heat energy
conduction, convection, or radiation
what happens to light when it hits different surfaces?
reflection, absorption or transmission
what are the wavelengths of light
Radio, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays
what contols the amount of light entering the eye
iris
what bends light so it wnds up on the retina
cornea
what is responsible for most of the refraction of light
lens
what is the clear jelly substance that gives the eyeball shape
vitreous humour
what is the layer of light sensitive cells that initiate nerve impulses
retina
what is pathway along which the signal travels to the brain
aqueous humour