Waves Definitions

Question 1

Progressive wave

Answer 1

transfers energy

travels in one direction

Question 2

standing/stationary wave

Answer 2

does not transfer energy in the direction of wave travel

Question 3

antinode

Answer 3

point on standing wave with maximum amplitude

Question 4

node

Answer 4

point on standing wave of zero amplitude

Question 5

fundamental frequency

Answer 5

lowest frequency of a standing wave

1 loop formed on string

Question 6

harmonic

Answer 6

standing wave with frequency that is multiple of fundamental frequency

Question 7

amplitude

Answer 7

maximum displacement of a point on a wave from its equilibrium position

Question 8

wavelength

Answer 8

the minimum distance between two points which are in phase in a wave

Question 9

monochromatic light

Answer 9

light of single frequency

Question 10

cladding

Answer 10

layer of plastic or glass that surrounds core of optical fibre