PS4.A Flashcard
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to a wave when it is reflected?
Back
It changes its direction.
2.
FLASHCARD QUESTION
Front
What is refraction?
Back
Refraction is the bending of a wave as it passes from one medium to another, changing its speed and direction.
3.
FLASHCARD QUESTION
Front
How does wave speed vary in different media?
Back
Wave speed is slower in denser media.
4.
FLASHCARD QUESTION
Front
What happens to the speed of light when it moves from air to water?
Back
The speed of light decreases.
5.
FLASHCARD QUESTION
Front
What is the relationship between amplitude and energy in a wave?
Back
If the amplitude of a wave is doubled, the energy of the wave quadruples.
6.
FLASHCARD QUESTION
Front
Define wave speed.
Back
Wave speed is the distance a wave travels per unit of time.
7.
FLASHCARD QUESTION
Front
What is the formula for wave speed?
Back
Wave speed = frequency × wavelength.
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