Mechanical and Electromagnetic Waves

Flashcard
•
Physics, Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are mechanical waves?
Back
Mechanical waves are waves that require a medium (solid, liquid, or gas) to travel through. Examples include sound waves and water waves.
2.
FLASHCARD QUESTION
Front
What are electromagnetic waves?
Back
Electromagnetic waves are waves that do not require a medium and can travel through a vacuum. Examples include light waves, radio waves, and X-rays.
3.
FLASHCARD QUESTION
Front
What is the definition of amplitude in the context of waves?
Back
Amplitude is the maximum distance that a wave's particles are displaced from their rest position. It is a measure of the wave's energy.
4.
FLASHCARD QUESTION
Front
What is wavelength?
Back
Wavelength is the distance between two consecutive points that are in phase on a wave, such as from crest to crest or trough to trough.
5.
FLASHCARD QUESTION
Front
What is frequency?
Back
Frequency is the number of waves that pass a given point in one second, measured in hertz (Hz). Higher frequency means more waves per second.
6.
FLASHCARD QUESTION
Front
What is the relationship between wavelength and frequency?
Back
Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases, and vice versa.
7.
FLASHCARD QUESTION
Front
What is a crest in a wave?
Back
A crest is the highest point of a wave, representing the maximum displacement of the medium in the upward direction.
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