Question
what term describes the height of a wave?
Wavelength
frequency
speed
amplitude
Wavelength
frequency
speed
amplitude
Answers
Answer
Which behavior of waves allows them to change direction when passing through different materials?
transmission
absorption
refraction
reflection
transmission
absorption
refraction
reflection
Answer
In which system do waves play a role in communication?
cell phone
television
radio
all
cell phone
television
radio
all
Answer
What increases the electric current in an electromagnet?
Decreasing the voltage
Decreasing the wire thickness
Increasing the number of wire turns
Decreasing the wire length
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