distance traveled

(a)  

number of waves

(a)  

product of wavelength

(a)  

- time it takes for a wave to pass

(a)  

distance from the equilibrium position to the crest of the trough

(a)  

result of vibrations between an electric field and magnetic field.

(a)  

oscillation of matter

(a)  

a Scottish physicist best known for his formulation of Electromagnetic Theory

(a)  

first proved the existence of the electromagnetic waves

(a)  

highest surface part of a wave

(a)  

- lowest surface part of a wave.

(a)  

electromagnetic wave with the longest wavelength

(a)  

amplitude of the carrier wave.

(a)  

frequency of modulation.

(a)  

process by which a sound wave is added to a basic radio wave known as the carrier wave; it means change

(a)  

wavelengths ranging from about one meter to one millimeter

(a)  

wavelengths rangefrom about 700 nanometers to 1 millimeters; invisible to the human eye

(a)  

astronomer who discovered infrared

(a)  

method of improving visibility

(a)  

visible to the human eye.

(a)  

non-ionizing radiation; - it has some benefits for people (VitaminD) but it can also cause health risks.

(a)  

is our natural source of UVRadiation.

(a)  

packets of energy that havenocharge of mass

(a)  

smallest wavelength and the most energy

(a)  

he reported the discovery of x rays

(a)  

wilhelm conraad roentgen used his wife's??

(a)  

outside the nucleus

(a)  

inside the nucleus.

(a)  

machine that directs radioactive beams,from outside the body to the cancerous tissues.

(a)  

computer and image guided technique that directs radiation only at the tumor.

(a)  

radioactive implant

(a)  

waves encounter a surface

(a)  

can emit light

(a)  

cannot emit light

(a)  

incoming light wave

(a)  

bounced away from surface

(a)  

concept wherein the angle of incidence is EQUAL to the angle of reflection.

(a)  

Greek Mathematician

(a)  

Arab scientist

(a)  

- light ray approaching

(a)  

leaves the surface

(a)  

divides

(a)  

- between incident ray

(a)  

- between reflected ray

(a)  

point which incident ray

(a)  

(true or false)The angle of incidence is always equal totheangle of reflection

(a)  

(true or false) The incident ray, normal line at thepointofincidence, and the reflected ray, all lieinthesame plane.

(a)  

- bounce off the surface, because of the smoothness

(a)  

reflected to different directions, because of uneven surface

(a)  

mirrors having curved surfaces

(a)  

converging mirror

(a)  

diverging mirror

(a)  

- imaginary line

(a)  

center of the sphere

(a)  

- geometric center

(a)  

point between vertex and center of curvature.

(a)  

distance/length between the focal point and vertex.

(a)  

- distance of the center of curvature from the vertex. Also the radius of the sphere.

(a)  

- process of predicting

(a)  

gives information

(a)  

ratio of height of the image

(a)  

reflective surface

(a)  

before c

(a)  

at c

(a)  

between c and f

(a)  

at f

(a)  

after f

(a)  

- change of direction light

(a)  

to block/slowdownlight.

(a)  

bending of light

(a)  

light travels faster

(a)  

light travels slower.

(a)  

- ray of light that hits asurface.

(a)  

ray of light travelling in another medium.

(a)  

light ray leaving a medium.

(a)  

perpendicular

(a)  

point where the incident ray hits

(a)  

- greatest angle

(a)  

phenomenon wherein the incident ray is reflected back

(a)  

- naturally-occurring optical phenomenon

(a)  

formula used to describe the relationship between the angles of incidence and refraction.

(a)  

transparent material

(a)  

- bounded by two surfaces.

(a)  

one or more simple lenses.

(a)  

converging lens

(a)  

diverging lens

(a)  

point at which all radiation coming from a

(a)  

tells us the angle of view.

(a)  

distance between the back of your eyeglasses lens a

(a)  

point lying on the principal axis.

(a)  

straight line

(a)  

- glass convex lens

(a)  

- laboratory instrument

(a)  

- used to gather and focus light.

(a)  

- got the first ever photographic image

(a)  

circular black area

(a)  

colored part

(a)  

clear, dome-shaped

(a)  

nearly transparent biconvex

(a)  

thin layer of tissue

(a)  

opening of a diaphragm

(a)  

allows light to open and close

(a)  

camera component

(a)  

gather and focus the light

(a)  

you can see distant objects clearly

(a)  

you can see nearby objects clearly

(a)  

- used to correct myopia

(a)  

are essentially two aspects of the same thing

(a)  

repel

(a)  

attract

(a)  

states that inside a magnet there are small regions

(a)  

regions

(a)  

developed the Magnetic Domain Theory

(a)  

- lines of a particular magnet

(a)  

region where the magnetism of the eath stretches out into space

(a)  

uses a probe to measure the magnetic field

(a)  

the unit of measure in a gauss meter or magnetometer is named after??

(a)  

unit of measure in a gauss meter

(a)  

- deals with the electromagnetic force

(a)  

deals with the effects

(a)  

alternating current flows

(a)  

- converts electricity

(a)  

- converts mechanical energy

(a)  

states that if you put the thumb of your right hand in the direction of the current, the magnetic field will wrap around the wire the same way your fingers will

(a)  

he realized that flowing electric charge creates (result) magnetic field (magnetism)

(a)  

Whenever a conductor is placed in a varying magnetic field, an electromotive force is induced.

(a)  

said the magnets can produce electricity (generate magnets)

(a)  

if the conductor circuit is closed

(a)  

largest magnet

(a)  

published the DeMagnete

(a)  

- induced electromotiveforce

(a)  

(right hand rule) right thumb : direction of

(a)  

(right hand rule) index finger : direction of

(a)  

(right hand rule) middle finger : direction of the resulting

(a)  

in the right hand rule, if the thumb points upward the magnetic field moves in a

(a)  

- when a current -carrying conductor is placed inanexternal magnetic field.

(a)  

(fleming's right hand rule) thumb : direction of the

(a)  

(fleming's right hand rule) forefinger/index : direction of

(a)  

(fleming's right hand rule) middle finger : direction of

(a)  

before 2f

(a)  

at 2f

(a)  

between 2f and f

(a)  

after f

(a)