Learn: Waves - NCEA Level 3 Physics

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/38

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 12:18 AM on 10/11/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

39 Terms

1
New cards

apparent frequency

observed frequency of wave when source or observer is moving (f')

<p>observed frequency of wave when source or observer is moving (f')</p>
2
New cards

antinodal lines

lines of constructive interference where crest meets crest

<p>lines of constructive interference where crest meets crest</p>
3
New cards

antinode

part of standing wave with maximum amplitutde

<p>part of standing wave with maximum amplitutde</p>
4
New cards

beating

regular pulsing in loudness of sound when two similar frequencies are played together

<p>regular pulsing in loudness of sound when two similar frequencies are played together</p>
5
New cards

beat frequency

difference between the frequencies of two similar waves

<p>difference between the frequencies of two similar waves</p>
6
New cards

bright fringe

area of constructive interference

7
New cards

constructive interference

when two waves add up to produce a larger amplitude

<p>when two waves add up to produce a larger amplitude</p>
8
New cards

dark fringe

area of destructive interference

<p>area of destructive interference</p>
9
New cards

destructive interference

when two waves cancel each other out to produce no amplitude

<p>when two waves cancel each other out to produce no amplitude</p>
10
New cards

diffraction

bending of waves around a barrier/gap (provided barrier/gap is about the same wavelength of the wave)

<p>bending of waves around a barrier/gap (provided barrier/gap is about the same wavelength of the wave)</p>
11
New cards

diffraction grating

series of fine slits or lines used to deviate waves

<p>series of fine slits or lines used to deviate waves</p>
12
New cards

dispersion

refraction in eg, a prism causes white light to split up into colours

<p>refraction in eg, a prism causes white light to split up into colours</p>
13
New cards

Doppler effect

change in observed frequency caused by relative movement of source and observer

<p>change in observed frequency caused by relative movement of source and observer</p>
14
New cards

Electromagnetic wave

family of waves that don't require a medium, are transverse and travel at 3 x 10*8 m/s

<p>family of waves that don't require a medium, are transverse and travel at 3 x 10*8 m/s</p>
15
New cards

emission spectra

atomic line spectra given off from low pressure gas excited by heat or electricity

<p>atomic line spectra given off from low pressure gas excited by heat or electricity</p>
16
New cards

frequency

number of waves passing a point per second

<p>number of waves passing a point per second</p>
17
New cards

fringe

band of light/darkness

18
New cards

fundamental

lowest possible frequency that can form

<p>lowest possible frequency that can form</p>
19
New cards

harmonic

standing wave formed in string or air column

<p>standing wave formed in string or air column</p>
20
New cards

incoming waves

waves about to collide with boundary/interface

21
New cards

interface

boundary between two different media

22
New cards

interference

effect occurring when waves meet

<p>effect occurring when waves meet</p>
23
New cards

node

part of standing wave with zero amplitude

24
New cards

nodal lines

line of destructive interference

25
New cards

longitudinal wave

wave that oscillates parallel to direction the wave is travelling at

<p>wave that oscillates parallel to direction the wave is travelling at</p>
26
New cards

phase change

when wave collides with a boundary/interface the reflected wave has same speed/amplitude as incident wave but opposite polarity (upside down)

27
New cards

pitch

frequency of sound

<p>frequency of sound</p>
28
New cards

relativistic mass

the mass an object would have if you could measure it while it is moving

<p>the mass an object would have if you could measure it while it is moving</p>
29
New cards

resonance

oscillation when frequency of forced vibration is same as natural frequency

30
New cards

resonant frequency

open pipe or string...

natural frequency of an oscillating system

<p>natural frequency of an oscillating system</p>
31
New cards

red shift

shift in spectral lines from stars due to their relative motion

<p>shift in spectral lines from stars due to their relative motion</p>
32
New cards

spectrum

the dispersion of white light into is component colours

<p>the dispersion of white light into is component colours</p>
33
New cards

sound waves

longitudinal waves that requires a medium (340m/s in air)

<p>longitudinal waves that requires a medium (340m/s in air)</p>
34
New cards

standing wave

stationary wave pattern formed by two waves of same frequency moving in opposite directions

<p>stationary wave pattern formed by two waves of same frequency moving in opposite directions</p>
35
New cards

superposition of pulses

addition of wave pulses

36
New cards

transverse wave

wave that oscillates perpendicular to wave direction

<p>wave that oscillates perpendicular to wave direction</p>
37
New cards

wave crest

top of the wave

<p>top of the wave</p>
38
New cards

wave front

point on wave where waves have the same path length from the source

<p>point on wave where waves have the same path length from the source</p>
39
New cards

wavelength

distance between any two corresponding positions on a wave

<p>distance between any two corresponding positions on a wave</p>