# Wave Motion Flashcards

1

Q

Wave Fronts

A

A line joining the points at the same position along a wave

2

Q

Periodic Time

A

The time it takes for an oscillation to repeat

3

Q

Frequency

A

The number of oscillations of cycles in one second

4

Q

Frequency / Time Period Equation

A

f = 1/T

5

Q

Wave Equation

A

Velocity = frequency x wavelength

6

Q

Phase

A

Waves are the same

7

Q

Phase difference

A

Described through radians, how many cycles the wave is out of phase

8

Q

0 / 360 degrees in radians

A

2 pi

9

Q

180 degrees in radians

A

pi

10

Q

90 degrees in radians

A

2/pi

11

Q

270 degrees in radians

A

3pi/2

12

Q

Transverse Waves

A

Displacements perpendicular to the wave velocity

13

Q

Radio Wave Wavelength

A

10^3 - 10^1

14

Q

Microwave Wavelength

A

10^-2

15

Q

Infrared Wavelength

A

10^-5