water waves, sound waves and the waves that travel along a spring or rope are mechanical waves. Newton's laws govern the motion of mechanical waves
Do mechanical waves require a material medium?
Transverse mechanical waves...
causes particles of a material to move perpendicular to the direction the wave is moving
Longitudinal mechanical waves...
causes particles of a material to move back and forth in the same direction the wave is moving
What are sound waves?
Sound originates from the vibration of sound producers
Are sound waves longitudinal or transverse?
What things produce sound waves?
Strings of violins or pianos, or human vocal chords
What is noise?
What is music?
sustained notes - repeated vibrations
How fast does sound travel through air?
How fast does sound travel through water?
How fast does sound travel through steel?
How can we use sound waves to determine distance?
In sound waves, what is the frequency equivalent to?
What is the audible range for humans?
What is amplitude?
The volume of a sound wave
light waves, radio waves, and xrays are examples of electromagnetic waves
Is a medium needed for electromagnetic waves?
What is the speed of light?
How fast do electromagnetic waves travel?
perpendicular to one another and at the speed of light 3x10^8 m/s
How are electromagnetic waves produced?
by moving electromagnetic fields
What do mechanical and electromagnetic waves have in common?
Crests, troughs, wavelength, and frequency
What is a crest?
the highest point in a wave
What is a trough?
the lowest point in a wave
What is amplitude?
the volume of a wave
What is a wavelength?
the distance measured between two points in a wave
What is the formula to find velocity of electromagnetic waves?
Is the velocity of an electromagnetic wave in a vacuum equal to the speed of light?
Yes, regardless of wavelength or frequency
What happens when an electromagnetic wave hits matter?
There will either be transmission, absorption, or scattering