# Physics- waves

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Label the diagram with wavelength, frequency and amplitude
-
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What is the equation linking wavelenth, speed and frequency?
Speed = wavelength x frequency
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What are the two types of wave?
Transverse and longitudinal
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What is the difference between the two types of wave?
Transverse oscillates perpendicular to the direction of travel, and longitudinal waves osscilate parallel to the direction of travel
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All waves transfer... without transferring...
energy, matter
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Diffraction occurs when a wave passes through a gap that is the same size as what?
The wavelength
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Waves can be reflected, ... and ...
refracted, diffracted
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Give the 7 waves in the electromagnetic spectrum
Radio, Micro, Infra red, Visible light, UV, X rays, Gamma rays
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Gamma waves have the ... wavelength and the... frequency
shortest, highest
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Which of the electromagnetic waves has the longest wavelength?
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Give the colours of visible light in order of increasing frequency
Red, Orange, Yellow, Green, Blue, Indigo, Violet (ROYGBIV)
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Give one use for each electromagnetic wave
Radio- Communications, Micro- Satellite coms and heating, Infrared- Heating and monitoring temperature, Visible light- to carry data (optical fibres) and photography, UV- Fluorescent lamps, X rays- scanning, Gamma- Sterilising medical equipment
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Visible light is a ... wave
transverse
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When a light ray is reflected, angle of incidence=...?
angle of reflection
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Rays are reflected along the N...
Normal
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Refraction is when a light ray slows down inside a ... dense material
more
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... prisms disperse white light
triangular
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refractive index=
sin(angle of incidence)/ sin(angle of refraction)
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sin(critical angle)=1/...?
refractive index
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What is the difference between analogue and digital
analogue can have any value within a certain range, digital alternates between two specific values
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What type of wave is sound?
longitudinal
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Amplitude increases as volume increases. True/ False
True
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An oscilloscope can display micro-waves. True or False
False- it can display sound waves.
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In sound waves the higher the frequency the higher the...
pitch
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## Other cards in this set

### Card 2

#### Front

What is the equation linking wavelenth, speed and frequency?

#### Back

Speed = wavelength x frequency

### Card 3

#### Front

What are the two types of wave?

### Card 4

#### Front

What is the difference between the two types of wave?

### Card 5

#### Front

All waves transfer... without transferring...