Sound, Waves and Light Flashcard

Flashcard
•
Physics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the velocity of a wave?
Back
Velocity (v) = Frequency (f) × Wavelength (λ)
2.
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).
3.
FLASHCARD QUESTION
Front
What is wavelength?
Back
Wavelength is the distance between two consecutive points in phase on a wave, such as crest to crest or trough to trough.
4.
FLASHCARD QUESTION
Front
What is a crest in a wave?
Back
A crest is the highest point of a wave.
5.
FLASHCARD QUESTION
Front
What is a trough in a wave?
Back
A trough is the lowest point of a wave.
6.
FLASHCARD QUESTION
Front
How does energy relate to wave amplitude?
Back
The energy of a wave is directly proportional to the square of its amplitude; higher amplitude means higher energy.
7.
FLASHCARD QUESTION
Front
What type of wave is sound?
Back
Sound is a longitudinal wave, where the particle displacement is parallel to the direction of wave propagation.
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