What electromagnetic Wave can Humans see ?
Light
True or False
Increasing the amplitude of a sound wave makes it louder because it increases the energy transferred by the wave.
True
The number of wavelengths that pass a given point per second
Frequency
A Wave that needs a medium to travel thru is considered a
Mechanical Wave
Which type of signal is made up of a continuous uninterrupted wave that is streaming information or data?
Analog Signals
What colors does a black shirt reflect ?
None
The high point of a transverse wave
Crest
How fast a wave travels is known as ________.
wave speed
Which type of wave is emitted from the Sun and does not need a medium to travel?
Electromagnetic
What type of signal maintains quality over a long distance without breaking down?
Digital Signal
Which type of wave does not need a medium to transfer energy?
What is electromagnetic!
The matter that mechanical waves travel through is known as ____________.
Medium
The measure of how high or low a wave is
Amplitude
What type of signal is more affected by noise?
Analog Signal
What happens to the speed of light when it goes thru water?
The higher the frequency, the ______________ the wavelength.
a. longer
b. shorter
c. higher
b. shorter
The low point of a transverse wave
Trough
What type of wave uses 0's and 1's and allows for exact replication?
Digital
Light travels through some materials more easily than others. When light passes through matter we call that ____________________________.
absorption
reflection
transmission
transmission
Why does increasing the amplitude of a sound wave make it louder?
a. It lengthens the wavelength.
b. It increases the wave's frequency.
c. It increases the energy transferred by the wave.
d. It decreases the wave's speed.
c. It increases the energy transferred by the wave.
The rhythmic disturbance that carries energy and NOT matter
a Wave!
An Ocean wave is an example of what type of wave?
Compression, Longitudinal, Light, Sound
Longitudinal Wave
What type of signal is easier to compress and store?
Digital