Calculating wavelength
Authored by Heather Bender
Science
8th Grade
NGSS covered
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A standard tuning fork uses a sound that travels through air at a frequency of 440 Hz. What is the wavelength of the sound wave emitted into the air by the tuning fork at room temperature? (At room temperature (20°C), sound travels at about 343 meters per second)
682 kilometers
0.78 meters
682 meters
0.78 centimeters
Tags
NGSS.HS-PS4-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A long range early warning radar system used for air defense operates at a frequency of 126 MHz (126,000,000 Hz). What is the wavelength of the electrical oscillations in the radar system? v= 300,000,000 m/s
2.38 meters
238 meters
1.26 meters
4.7 kiolmeters
Tags
NGSS.HS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following is the equation for wavelength?
v = λ/ f
f= λ/v
λ = v / f
λv=f
Tags
NGSS.HS-PS4-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a true statement?
As frequency increases wavelength decreases.
A higher frequency means a shorter wavelength
As frequency decreases, wavelength increases.
Tags
NGSS.HS-PS4-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is wavelength?
The distance between a zero crossing and the next valley on a wave.
The distance between a zero crossing and the next peak on a wave.
The distance between a crest and a trough
The distance between two successive like points on a wave. ( peak tp peak, or valley to valley)
Tags
NGSS.HS-PS4-1
6.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
What is the wavelength of the given wave? Answer in number only
(a)
Tags
NGSS.HS-PS4-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many wavelengths are pictured here from the left to right edge of the screen? (Remember the definition of a wavelength)
Tags
NGSS.HS-PS4-1
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