Unit: Waves
Year: 1992 Question#: 37
Question: What is the wavelength of a 30.-hertz periodic wave moving 60. meters per second?
(1 ) 0.50 m
(2 ) 2.0 m
(3 ) 20. m
(4 ) 1,800 m
What is this question really asking?
Explanation by: Nathaniel W
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Answer 1
0.50 m
INCORRECT
Incorrect, this value does not work in the formula that is applied to this question. Try using
.
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Answer 2
2.0 m
CORRECT
Correct, you used
60 m/s = 30 c/s x
= 2.0 m/c
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20. m
INCORRECT
Incorrect, this value does not work in the formula applied to this question. Try using
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1,800 m
INCORRECT
Incorrect, this value does not work in the formula applied to this question. Try using
return to top What's this question really asking?
Do you know how to use this formula
, and do you know the relationship between speed (v), frequency (f), and wavelength
(
).
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