# Energy for the Home P1:A - Wave Basics (part 1)

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Waves consist of ...
Amplitude, Wavelength and Frequency
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What is the equation for Wave Speed?
Wave Speed = Frequency x Wavelength
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Frequency is ....
The number of oscillations passing a certain point every second
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When working with waves, we use which units?
Metres, Seconds, Metres/Seconds and Hertz
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What is total internal reflection?
Wen the angle of incidence is greater than the critical angle and so all light is reflected and not refracted
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What is diffraction?
When waves spread out at the edges as they pass through a gap or pass an object
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What is refraction?
When a wave changes direction due to the wave hitting a denser material at an angle
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## Other cards in this set

### Card 2

#### Front

What is the equation for Wave Speed?

#### Back

Wave Speed = Frequency x Wavelength

### Card 3

#### Front

Frequency is ....

### Card 4

#### Front

When working with waves, we use which units?

### Card 5

#### Front

What is total internal reflection?