# GCSE Physics: Waves

I hope you find this useful :)

• Created by: Mariam :)
• Created on: 10-05-13 15:59
What type of wave is sound an example of?
Longitudinal
1 of 10
What is Amplitude?
The height of the wave from the middle to a peak or trough.
2 of 10
What is Frequency?
The number of waves that travels past a point in one second.
3 of 10
What is Wavelength?
The length of one complete wave.
4 of 10
What is the Period of a wave?
The time it takes for one complete wave.
5 of 10
What is the unit used for Frequency?
Hz
6 of 10
What is the formula used to calculate Wave Speed?
Wave Speed = Frequency x Wavelength
7 of 10
What is the approximate speed of Sound?
330 m/s
8 of 10
What is the formula for the Refractive Index?
Refractive Index = sin (i) / sin (r)
9 of 10
What is the formula for the Critical Angle?
sin C = 1 / n
10 of 10

## Other cards in this set

### Card 2

#### Front

What is Amplitude?

#### Back

The height of the wave from the middle to a peak or trough.

### Card 3

#### Front

What is Frequency?

### Card 4

#### Front

What is Wavelength?

### Card 5

#### Front

What is the Period of a wave?