What part of a sound wave measures LOUDness?
Waves

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•
Science
•
7th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Amplitude is the part of a sound wave that measures loudness.
2.
FLASHCARD QUESTION
Front
What happens to a light wave when it passes from air into glass?
Back
The light wave is refracted when it passes from air into glass.
3.
FLASHCARD QUESTION
Front
In which medium does sound travel fastest?
Back
Sound travels fastest in solids because the particles are closer together than in air.
4.
FLASHCARD QUESTION
Front
What occurs when a light ray hits the surface of a mirror?
Back
The light ray is reflected at an angle equal to the angle of incidence.
5.
FLASHCARD QUESTION
Front
Which travels faster: infrared or x-rays?
Back
X-rays travel faster than infrared.
6.
FLASHCARD QUESTION
Front
What is the definition of wavelength?
Back
Wavelength is the distance between two consecutive peaks or troughs in a wave.
7.
FLASHCARD QUESTION
Front
What is frequency in the context of waves?
Back
Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).
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