11/10 Waves Review 1
Flashcard
•
Science, Physics
•
9th - 10th Grade
•
Practice Problem
•
Easy
Quinn Bivens
Used 1+ times
FREE Resource
Student preview

46 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the equation for calculating wavelength if I know frequency and wave speed?
Back
λ=v/f
Answer explanation
The correct equation for calculating wavelength (λ) when you know frequency (f) and wave speed (v) is λ = v/f. This means wavelength is equal to wave speed divided by frequency.
2.
FLASHCARD QUESTION
Front
Speed of a wave with frequency 12 Hz and wavelength 2m?
Back
24 m/s
Answer explanation
The speed of a wave is calculated using the formula: speed = frequency × wavelength. Here, speed = 12 Hz × 2 m = 24 m/s. Therefore, the correct answer is 24 m/s.
3.
FLASHCARD QUESTION
Front
What is a Hertz?
Back
Number of waves per second
Answer explanation
A Hertz (Hz) measures the frequency of a wave, specifically the number of waves that pass a point in one second. Therefore, the correct answer is 'Number of waves per second'.
4.
FLASHCARD QUESTION
Front
Frequency of wave with wavelength 3m and speed 9m/s?
Back
3 Hz
Answer explanation
To find the frequency (f), use the formula f = speed (v) / wavelength (λ). Here, v = 9 m/s and λ = 3 m. Thus, f = 9 m/s / 3 m = 3 Hz. Therefore, the correct answer is 3 Hz.
5.
FLASHCARD QUESTION
Front
What is the wavelength of a wave with a speed of 24 m/s and a frequency of 4 Hz?
Back
6 m
Answer explanation
To find the wavelength (λ), use the formula λ = speed / frequency. Here, λ = 24 m/s / 4 Hz = 6 m. Thus, the correct answer is 6 m.
6.
FLASHCARD QUESTION
Front
If a wave travels 20 meters in 5 seconds, what is the speed of the wave?
Back
4 m/s
Answer explanation
To find the speed of the wave, use the formula: speed = distance / time. Here, speed = 20 meters / 5 seconds = 4 m/s. Therefore, the correct answer is 4 m/s.
7.
FLASHCARD QUESTION
Front
What equation do I use to find wave speed if I know frequency and wavelength?
Back
v=fλ
Answer explanation
To find wave speed (v), use the equation v = fλ, where f is frequency and λ is wavelength. This shows that wave speed is the product of frequency and wavelength, making v = fλ the correct choice.
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