H o m e w o r k
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Transcript of H o m e w o r k
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Homework
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
c = λν
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = c λ
![Page 5: H o m e w o r k](https://reader036.fdocuments.net/reader036/viewer/2022081502/56815a91550346895dc8061e/html5/thumbnails/5.jpg)
Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = c 4.90 x 10-7 m
![Page 6: H o m e w o r k](https://reader036.fdocuments.net/reader036/viewer/2022081502/56815a91550346895dc8061e/html5/thumbnails/6.jpg)
Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = 4.90 x 10-7 m
c
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = 3.00 x 108 m/s 4.90 x 10-7 m
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = 0.612 x 1015 s-1
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = 6.12 x 1014 s-1
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Homework1. What is the frequency of green
light, which has a wavelength of 4.90 x 10-7 m?
ν = 6.12 x 1014 Hz
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Homework1. What is the frequency of green light, which has
a wavelength of 4.90 x 10-7 m?
ν = 6.12 x 1014 Hz
(1 Hz = 1 wave/second)
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Homework2. An X-ray has a wavelength of
1.15 x 10-10 m. What is its frequency?
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Homework2. An X-ray has a wavelength of
1.15 x 10-10 m. What is its frequency?
c = λν
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Homework2. An X-ray has a wavelength of
1.15 x 10-10 m. What is its frequency?
ν = c λ
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Homework2. An X-ray has a wavelength of
1.15 x 10-10 m. What is its frequency?
ν = c
1.15 x 10-10 m
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Homework2. An X-ray has a wavelength of
1.15 x 10-10 m. What is its frequency?
ν = 3.00 x 108 m/s 1.15 x 10-10 m
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Homework2. An X-ray has a wavelength of
1.15 x 10-10 m. What is its frequency?
ν = 2.61 x 1018 Hz
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Homework3. What is the speed of an
electromagnetic wave that has a frequency of 7.8 x 106 Hz?
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Homework3. What is the speed of an
electromagnetic wave that has a frequency of 7.8 x 106 Hz?
What is the speed of every electromagnetic wave?
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Homework3. What is the speed of an
electromagnetic wave that has a frequency of 7.8 x 106 Hz?
C = 3.00 x 108 m/s, silly!
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
c = λν
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = c ν
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 3.00 x 108 m/s 94.7 MHz
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 3.00 x 108 m/s 9.47 x 101 MHz
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 3.00 x 108 m/s 9.47 x 107 Hz
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 3.00 x 108 m/s 9.47 x 107 /s
![Page 27: H o m e w o r k](https://reader036.fdocuments.net/reader036/viewer/2022081502/56815a91550346895dc8061e/html5/thumbnails/27.jpg)
Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 0.317 x 101 m
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 3.17 x 100 m
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Homework4. A popular radio station broadcasts
with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz)
λ = 3.17 m