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lutik1710 [3]
3 years ago
15

Solar panels allow us to harness ___________ energy and convert it to __________ energy to heat water.

Physics
1 answer:
vichka [17]3 years ago
3 0
Solar energy
thernal energy
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The speed of light in vacuum is exactly 299,792,458 m/s. A beam of light has a wavelength of 651 nm in vacuum. This light propag
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v=2.58\times10^8m/s

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The index of refraction is equal to the speed of light c in vacuum divided by its speed v in a substance, or n=\frac{c}{v}. For our case we want to use v=\frac{c}{n}, which for our values is equal to:

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Radio waves travel at a speed of 300,000,000 m/s. WFNX broadcasts radio waves at a
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Wavelength, \lambda=2.94\ m

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v=f\lambda

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\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{3\times 10^8}{101,700,000}\\\\\lambda=2.94\ m

So, the wavelength of WFNX’s radio waves is 2.94 m.

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