Gizmo Term Quiz

Question 1

Phased array

Answer 1

A technology that uses several wave emitters to create a beam of constructive interference; used to locate objects or strengthen wave signals

Question 2

Wave front

Answer 2

A curve drawn on a multi-dimensional wave connecting waves that are on the same point of their respective cycles; a circular crest or trough around a central source

Question 3

Amplitude

Answer 3

The maximum distance a point is moved from its rest position when a wave passes through

Question 4

Compression

Answer 4

A part of a longitudinal wave where the particles in the medium are pushed together

Question 5

Crest

Answer 5

The highest part of a wave

Question 6

Frequency

Answer 6

The number of times something occurs in a given period of time; equal to the number of waves that pass a point each second

Question 7

Hertz (Hz)

Answer 7

The unit of frequency

Question 8

Longitudinal wave

Answer 8

A wave in which the motion of the medium is in the same direction as the wave

Question 9

Medium

Answer 9

A substance through which waves can travel

Question 10

Period

Answer 10

The time required for a single event to occur; The time required for one full wave to pass a location

Question 11

Power

Answer 11

The rate at which work is done; the amount of energy produced in a given time

Question 12

Watt (W)

Answer 12

Unit of power

Question 13

Rarefaction

Answer 13

A part of a longitudinal wave where the particles in the medium are spread apart

Question 14

Transverse wave

Answer 14

A wave in which the motion of the medium is perpendicular to the direction of the wave

Question 15

Trough

Answer 15

The lowest part of a wave

Question 16

Wave

Answer 16

A repeating motion that travels through a medium

Question 17

Wavelength

Answer 17

The distance between neighboring Crests, neighboring troughs, or any other neighboring equivalent points of a wave

Question 18

Wave speed

Answer 18

The distance a wave travels in a given amount of time

Question 19

Constructive interference

Answer 19

The combining of two waves to yield a greater amplitude than either wave has separately

Question 20

Crest

Answer 20

A point on a wave with a maximum upward displacement or amplitude

Question 21

Destructive interference

Answer 21

The partial (or total) cancellation of one wave by another

Question 22

Diffraction

Answer 22

The spreading out of a wave as it moves past an edge

Question 23

Huygen’s Principle

Answer 23

The observation that each point on a wave front can be considered the source of a new wave, and the total effect of all these secondary waves is equivalent to the original Wave; used to explain diffraction and refraction

Question 24

Interference

Answer 24

The superposition of two or more waves which results in a new pattern

Question 25

Law of superposition

Answer 25

The observation that waves can be combined and decomposed using straightforward arithmetic; adding the displacement of each wave to find net displacement of a point

Question 26

Node

Answer 26

A place in a wave pattern where the amplitude is at its equilibrium value; a place where the wave curve crosses the x-axis

Question 27

Refraction

Answer 27

The change in heading of a wave front that occurs when a wave changes from one medium to another

Question 28

Trough

Answer 28

A point on a wave with a maximum downward displacement or amplitude

Question 29

Wave

Answer 29

A periodic disturbance that travels through space or matter and transfers energy

Question 30

Wavelength

Answer 30

The distance between consecutive crests, troughs, or any other consecutive equivalent points of a wave

Question 31

Phase shift

Answer 31

The time delay between the emission of one wave and another