Asked by Sam
If you can help with this problem, I would so appreciate it. If I can understand, I think I can do the rest of them. Here is the problem and the answer. How do I work through to the answer? A certain radio wave has a frequency of 1.03 MHz. What is the wavelength? Answer 2.91 "box" 10 "superscript 2" m (what does the box symbol stand for?) Thank you, thank you!!!
Answers
Answered by
drwls
For a "radio" or light wave, travelling in a vacuum or air, the speed of the wave is
c = 3.00*10^8 m/s
The wavelength is given by the formula
wavelength = c/f
where f is the frequency.
In your case,
wavelength = 3.00*10^8/1.03*10^6
= 291 m
This can also be written
2.91*10^2 m
I have no clue what the "box 10" refers to. They are trying to say 2.91 times ten-squared. The "box" may be the multiplication symbol, for which I used *.
c = 3.00*10^8 m/s
The wavelength is given by the formula
wavelength = c/f
where f is the frequency.
In your case,
wavelength = 3.00*10^8/1.03*10^6
= 291 m
This can also be written
2.91*10^2 m
I have no clue what the "box 10" refers to. They are trying to say 2.91 times ten-squared. The "box" may be the multiplication symbol, for which I used *.
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