Term
the height of a transverse wave from the center to a crest or trough
a. wavelength
b. amplitude
c. frequency |
|
Definition
|
|
Term
| an optical instrument that uses lenses to focus light, and film or an electronic sensor to record an image of an object |
|
Definition
|
|
Term
a snail shaped tube in the inner ear that is lined with receptor cells that respond to sound
a. eardrum
b. ear canal
c. cochlea |
|
Definition
|
|
Term
any two colors that combine to form white light is called ...
a. black light
b. white light
c. electromagnetic spectrum |
|
Definition
|
|
Term
the part of a longitudinal wave where the particles of the medium are close together
a. rarefactions
b. compressions
c. contractions |
|
Definition
|
|
Term
a lens that is thinner in the center than at the edges
a. concave lens
b. convex lens |
|
Definition
|
|
Term
a mirror with a surface that curves inward
a. convex mirror
b. concave mirror |
|
Definition
|
|
Term
cells in the retina that respond to and detect color in the eye
a. cones
b. rods |
|
Definition
|
|
Term
The interference that occurs when two waves combine to make a wave with an amplitude larger than the amplitude of either of the individual waves
a. destructive interference
b. constructive interference |
|
Definition
| b. constructive interference |
|
|
Term
a lens that is thicker in the center than at the edges
a. convex lens
b. concave lens |
|
Definition
|
|
Term
the transparent material that covers the front of the eye
a. pupil
b. iris
c. cornea |
|
Definition
|
|
Term
the highest part of a transverse wave
a. trough
b. crest
c. amplitude |
|
Definition
|
|
Term
A unit used to compare the loudness of different sounds
a. hertz
b. decibel |
|
Definition
|
|
Term
The interference that occurs when two waves combine to make a wave with an amplitude smaller than the amplitude of either of the individual waves
a. constructive interference
b. destructive interference |
|
Definition
| b. destructive interference |
|
|
Term
the bending or spreading of waves as they move around a barrier or pass through an opening
a. refraction
b. reflection
c. diffraction |
|
Definition
|
|
Term
Reflection that occurs when parallel rays of light hit an uneven surface and all reflect at different angles
a. regular reflection
b. diffuse reflection |
|
Definition
|
|
Term
| The change in frequency of a wave as its source moves in relation to an observer. (Think about a fire truck's siren as it goes by). |
|
Definition
|
|
Term
a narrow region leading from the outside of the human ear to the eardrum
a. cochlea
b. ear canal
c. none of these |
|
Definition
|
|
Term
The small tightly stretched drumlike membrane that separates the outer ear from the middle ear, and that vibrates when sound waves strike it
a. ear canal
b. eardrum
c. cochlea |
|
Definition
|
|
Term
The use of reflected sound waves to determine distancesor to locate objects
a. electromagnetic spectrum
b. echolocation
c. constructive interference |
|
Definition
|
|
Term
The ability to do work or cause change
a. work
b. energy
c. force |
|
Definition
|
|
Term
| The lens in the eyepiece of a microscope can magnify an image ___ times. |
|
Definition
|
|
Term
Having the condition in which a person can see distant objects clearly and nearby objects as blurry
a. nearsighted
b. farsighted |
|
Definition
|
|
Term
| The point at which light rays parallel to the optical axis meet, or appear to meet, after being reflected by a mirror |
|
Definition
|
|
Term
The number of waves passing a given point each second.
a. intensity
b. wavelength
c. amplitude
d. frequency |
|
Definition
|
|
Term
Electromagnetic waves with the shortest wavelengths and highest frequencies
a. gamma rays
b. visible light
c. infrared rays |
|
Definition
|
|
Term
Unit of measurement for frequency
a. decible
b. hertz |
|
Definition
|
|
Term
the ring of muscle that surronds the pupil and regulates the amount of light entering the eye; gives the eye its color.
a. pupil
b. iris
c. cornea
d. retina |
|
Definition
|
|
Term
A wave that moves the medium in a direction parallel to the direction in which the wave travels
a. compressional wave
b. longitudinal wave |
|
Definition
|
|
Term
The material through which a wave travels
a. medium
b. middle
c. moment
d. minute |
|
Definition
|
|
Term
| An optical instrument that forms enlarged images of tiny objects. It can magnify them 400 times or more |
|
Definition
|
|
Term
Having the condition in which a person can see nearby objects clearly and distant objects as blurry
a. farsighted
b. nearsighted |
|
Definition
|
|
Term
A type of material that reflects or absorbes all the light that strikes it
a. translucent
b. transparent
c. opaque |
|
Definition
|
|
Term
| What is the name of the short thick nerve that carries signals from the eye to the brain? |
|
Definition
|
|
Term
An imaginary line that dividies a mirror in half
a. optical fold
b. optical acres
c. optical axis
d. optical half |
|
Definition
|
|
Term
The part of a longitudinal wave where the particles of the medium are far apart
a. compression
b. rarefaction |
|
Definition
|
|
Term
An upside down image
a. real image
b. virtual image |
|
Definition
|
|
Term
One of three colors that can be used to make any other color
a. primary color
b. secondary color |
|
Definition
|
|
Term
The opening in the center of the iris through which light enters
a. corena
b. pupil
c. lens |
|
Definition
|
|
Term
The bouncing back of an object or a wave when it hits a surgace through which it cannot pass
a. rarefaction
b. reflection
c. refracting |
|
Definition
|
|
Term
The bending of waves as they enter a new medium at an angle caused by a change in speed
a. reflection
b. refraction
c. rarefaction |
|
Definition
|
|
Term
cells in the retina that detect dim light
a. rods
b. cones |
|
Definition
|
|
Term
A system that uses reflected sound waves to locate and determine the distance to objects under the water.
a. system
b. sonar
c. radar |
|
Definition
|
|
Term
type of material that scatters light as it passes through
a. transparent
b. translucent
c. opaque |
|
Definition
|
|
Term
A type of material that transmits light without scattering it
a. translucent
b. transparent
c. opaque |
|
Definition
|
|
Term
The lowest part of a transverse wave
a. crest
b. trough
c. amplitude |
|
Definition
|
|
Term
An upright image
a. virtual image
b. real image |
|
Definition
|
|
Term
Electromagnetic radiation that can be seen with the unaided eye
a. gamma rays
b. radio waves
c. visible light |
|
Definition
|
|
Term
The distance between the crest of one wave and the crest of the next
a. frequency
b. wavelength
c. amplitude |
|
Definition
|
|
