Electromagnetic Spectrum
Which wave on the electromagnetic spectrum has the lowest frequency and longest wavelength?
Radio Waves
What is the highest part of a transverse wave?
Crest
What is the standard unit for wave speed?
Meters per second (m/s)
Which of the following is NOT a wave in the electromagnetic spectrum?
A. Radio
B. Sound
C. X-Rays
D. Microwaves
B. Sound
A wave has a frequency of 50 Hz and a wavelength of 4 meters. Calculate the wave speed.
200 m/s
What color on the visible light spectrum has the lowest amount of energy?
Red
What is the lowest part of a transverse wave?
Trough
What is the standard unit for wavelength?
Meters (m)
A wave is a disturbance that carries ___________ from place to place.
Energy
If a sound wave in water has a wavelength of 1.5 meters and a speed of 1500 m/s, what is the frequency of the wave?
1,000 Hz
What type of wave do cell phones use to communicate with one another?
Radio Waves
The distance from crest to crest or trough to trough on a wave is called what?
Wavelength
What is the unit for frequency?
Hertz (Hz)
Electromagnetic waves do not need a ___________ to be able to move.
Medium
A wave has a frequency of 800 Hz and travels at a speed of 600 m/s. Calculate the wavelength.
What type of waves are used in night vision goggles and tv remotes?
Infrared waves
The amount of waves that pass by a certain point in one second is called what?
Frequency
A wave that bounces off of a surface is called what?
Reflection
As frequency increases, wavelength _____________.
Decreases
A wave travels through a medium at a speed of 340 m/s and has a wavelength of 0.85 meters. Calculate the frequency of the wave.
400 Hz
What type of waves are used when sterilizing medical equipment for surgery?
Ultraviolet Waves
The distance from the medium (rest position of the wave) to the top or bottom of the wave is called what?
Amplitude
A wave that bends because it enters a new medium is called what?
Refraction
A transverse wave moves ____________ to the direction of the wave.
Perpendicular (90 degree right angles)
A wave has a frequency of 1,500 Hz and a wavelength of 35 m. Calculate the speed of the wave.
52,500 m/s