All waves carry: (1 point)
Responses
matter
matter
light
light
particles
particles
energy
energy
etter D represents the ________ of the wave.
(1 point)
Responses
wavelength
wavelength
crest
crest
amplitude
amplitude
frequency
frequency
amplitude
Which of these would be the most reliable method for transmitting waves for communication?(1 point)
Responses
The use of the postal service to mail a letter.
The use of the postal service to mail a letter.
The use of fiber optics to transmit a digital signal.
The use of fiber optics to transmit a digital signal.
The use of printed newspapers and magazines.
The use of printed newspapers and magazines.
The use of knocking on all the doors in the neighborhood.
The use of fiber optics to transmit a digital signal.
Which of these is an advantage of digital storage of information over analog?(1 point)
Responses
A copy of an analog file is never as good as its original.
A copy of an analog file is never as good as its original.
Analog signals take up less bandwidth or storage space than digital.
Analog signals take up less bandwidth or storage space than digital.
Sound can be recorded either digitally or using analog techniques.
Sound can be recorded either digitally or using analog techniques.
Analog storage of information is continuous and captures a more pure sound.
Analog signals take up less bandwidth or storage space than digital.
Digital recording and transmission often requires the signal to be transmitted using a code. Which statement would suggest an advantage of this fact?(1 point)
Responses
Coding may require more time to record information.
Coding may require more time to record information.
Coding requires all users to have a method to decode information.
Coding requires all users to have a method to decode information.
Coding of the signal can keep the information secret during transport.
Coding of the signal can keep the information secret during transport.
Coded information may require larger bandwidth to transmit.
Coding of the signal can keep the information secret during transport.
Which wave has the highest amplitude? (1 point)
Responses







Without any specific wave options given, it is not possible to determine which wave has the highest amplitude.
We know that waves transmit energy. There are many types of waves: light, microwaves, x-rays, sound waves, and ocean waves are all examples of waves transferring energy. Ocean waves are a renewable energy source that uses the energy of the waves to generate electricity.
Consider any ocean wave. What is the relationship between an ocean wave and the energy of that wave?
(1 point)
Responses
The greater the wavelength, the more kinetic energy the wave has.
The greater the wavelength, the more kinetic energy the wave has.
Wave energy increases with frequency and decreases with wavelength.
Wave energy increases with frequency and decreases with wavelength.
Wave energy is directly proportional to the amplitude of the wave.
Wave energy is directly proportional to the amplitude of the wave.
Wave energy decreases as the wave moves closer to shore.
Wave energy is directly proportional to the amplitude of the wave.
Elaborate on the difference between the energy of the two waves seen here:
(1 point)
Responses
Wave B has more energy than Wave A because the frequency of Wave B is greater.
Wave B has more energy than Wave A because the frequency of Wave B is greater.
Wave B has more energy: the amplitude of Wave B is double that of Wave A.
Wave B has more energy: the amplitude of Wave B is double that of Wave A.
Wave A has more energy than Wave B because the wavelength of Wave A is greater.
Wave A has more energy than Wave B because the wavelength of Wave A is greater.
Wave energy is directly proportional to frequency and wavelength, therefore Wave A has more energy.
Based on the information provided, it is not possible to determine the difference in energy between the two waves without additional information. The energy of a wave depends on various factors such as amplitude, frequency, and wavelength.
Examine the timeline of relaying information to other people over the past few hundred years.
Pony Express, US Postal Mail, Fax Machine, Digital Image Submission
Which statement explains the reasons for this progression in information delivery?
(1 point)
Responses
The quality of the information became less reliable as more digital technology was used.
The quality of the information became less reliable as more digital technology was used.
The relay of information became less trustworthy as more digital technology was used.
The relay of information became less trustworthy as more digital technology was used.
The relay of information became more reliable as digital technology was used.
The relay of information became more reliable as digital technology was used.
The storage of information became more difficult as more digital technology was used.