Hmwk Problem 1.9  [ENDORSED]


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Nasir_Ahmed
Posts: 25
Joined: Wed Sep 21, 2016 2:58 pm

Hmwk Problem 1.9

Postby Nasir_Ahmed » Thu Oct 06, 2016 5:58 pm

I was wondering if anyone could help me with problem 1.9 in the textbook. I'm not sure exactly how I'm supposed to deduce everything in the table from the information given. It doesn't seem like enough to go off of. Thanks

Daniel-1G
Posts: 14
Joined: Wed Sep 21, 2016 2:59 pm

Re: Hmwk Problem 1.9  [ENDORSED]

Postby Daniel-1G » Thu Oct 06, 2016 6:40 pm

Try using a combination of E=h*frequency and c=frequency*wavelength. Using these equations you should be able to fill out the table.

Olivia_Chen_3E
Posts: 18
Joined: Wed Sep 21, 2016 2:59 pm

Re: Hmwk Problem 1.9

Postby Olivia_Chen_3E » Fri Oct 07, 2016 1:09 am

Also, if you look up a chart with the different wavelengths of light, it will help you figure out what activity the college student is doing, for example, when the wavelength is 340nm, that's in the UV range, so we can assume that he's getting a sun tan.

Emma Dawson 1H
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Joined: Wed Sep 21, 2016 3:00 pm

Re: Hmwk Problem 1.9

Postby Emma Dawson 1H » Fri Oct 07, 2016 9:57 am

Going off of looking at the chart to figure out what wavelengths apply to which light on the spectrum...should we memorize those for future quizzes and tests or will a similar chart be given?

Emma Dawson 1H
Posts: 4
Joined: Wed Sep 21, 2016 3:00 pm

Re: Hmwk Problem 1.9

Postby Emma Dawson 1H » Fri Oct 07, 2016 10:04 am

Going off of looking at the chart to figure out what wavelengths apply to which light on the spectrum...should we memorize those for future quizzes and tests or will a similar chart be given?

Claire_Zhou_1A
Posts: 48
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Re: Hmwk Problem 1.9

Postby Claire_Zhou_1A » Sun Oct 09, 2016 12:34 pm

I'm still confused. How to differentiate between reading and suntan?

Claire_Zhou_1A
Posts: 48
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Re: Hmwk Problem 1.9

Postby Claire_Zhou_1A » Sun Oct 09, 2016 3:07 pm

Never mind. I know now.


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