Vibes And The Spectrum Flashcards
What does a greater amplitude mean?
Louder sound
What does greater frequency mean?
Higher pitch
What does smaller amplitude mean?
Quieter sound
What does lower frequency mean?
Lower pitch
How is a spectrum formed?
White light is split up using a prism
If a wavelength is shorter, what does this mean?
More is reflected
Violet
If a wavelength is longer what does this mean?
Less is refracted
Red
What is the spectrum order
Radio waves Microwaves Infrared Visible light Ultra violet X ray Gamma
What are the properties of waves in the red end of the spectrum?
Low energy
Low frequency
Long wavelength
What are the properties of waves in the violet end of the spectrum
High energy
High frequency
Short wavelength
What are radio waves used for
Television signals
What are microwave sides for ?
Mobile phone signals and satellites
Disadvantage of microwaves?
Microwave radiation is a health risk
Some believe it lowers fertility
What is infrared used for
Optical fibres
What is visible light used for?
Seeing
