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Sound/Light/EMS
Question | Answer |
---|---|
What is the correct term for the distance of a wave from one crest to the next? | Wavelength |
________ are rhythmic disturbances that carry energy through matter and space. | Waves |
True or false: Electromagnetic waves require a medium to travel through. | False |
Waves with a higher frequency have ____ wavelengths in a given amount of time than other waves. | More |
Sound travels in _______ waves. | Longitudinal |
Electromagnetic energy travels in _______ waves. | Transverse |
A _______ is where the particles in a longitudinal wave are pushed together. | Compression |
A _______ is where the particles in a longitudinal wave spread out. | Rarefaction |
True or false: Sound waves require a medium to travel through. | True |
Particle motion is perpendicular to the motion of the wave in which type of wave? | Transverse |
The bouncing back of a wave when it hits a surface through which it can NOT pass is called — | Reflection |
What is the the relationship between wavelengths and frequency on the electromagnetic spectrum? | As the wavelength decreases, the frequency increases |
What type of EM radiation is used in night vision goggles? | Infrared |
What type of EM radiation is used to send communications, including video to astronauts? | Radio |
What type of EM radiation is widely used in the cooking industry? | Microwaves |
What type of EM radiation is used to kill bacteria? | Ultraviolet (UV) |
What type of EM radiation is used by medical professionals to check for broken bones? | X-Rays |
What type of EM radiation is used to treat cancer? | Gamma Rays |
As an ambulance with it's siren on passes by, the change in pitch of the siren makes as it moves closer or farther away is a result of — | The Doppler Effect |