Waves Flashcards
What is the distance between 2 waves?
Wavelength
What is the top of a wave called?
Crest
What is the bottom of a wave called?
Trough
What is the height of a wave called?
Amplitude
What are the 2 types of waves?
Compression and Transverse
What is the scrunched up part of a compression wave?
Compression
What is the wide part of a compression wave?
Rare faction
What does amplitude represent?
Volume
What does a cornea do?
Refracts light-bends it as it enters the eye
what does an Iris do?
Controls how much light enters the pupil
What does the lens do?
Focused light onto the retina
What does the retina do?
Contains the light receptors
What does the optic nerve do?
Carries impulses from the eye to the brain
What is the focus of light?
When the refracted light focuses on one point
Velocity equation
V=f x Lambad
What does the lambad mean?
Wavelength
What is frequency?
Amount of waves
What does sound travel best in?
Solids and the worst in gases
What does the middle ear do?
Sends vibrations from ear drum
What do semicircular canals do?
Control sense of balance
What does the auricle do?
Outside part of ear that contains cartilage
What does the outer ear do?
Collects energy of vibrating air and funnels it along the ear canal
What does the ear canal do?
Builds up wax to protect the ear drum
What does the inner ear do?
Filled with fluids and tiny hairs
What does the auditory nerve do?
Nerves from receptors in cochlea