Question
Asked Nov 15, 2019
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(11%
Problem 15: Electromagnetic radiation having a wavelength of 17 um is classified as infrared
Randomized Variables
17 um
What is its frequency in hertz?
Grade Summary
Deductions
Potential
09%
100%
Submissions
Attempts remaining
(2% per attempt)
detailed view
tan
sin)
cotan
atan
cosO
asin(
acotan
7
8
HOME
E
4
acos
5
6
sinh
1
2
3
cosh)
tanh0
Degrees
cotanh0
0
END
Radians
VOBACKSPACE
CLEAR
DE
I give up!
Submit
Hint
Feedback
Hints: 0%
deduction per hint. Hints remaining: 2
Feedback 0% deduction per feedback
CO
N
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(11% Problem 15: Electromagnetic radiation having a wavelength of 17 um is classified as infrared Randomized Variables 17 um What is its frequency in hertz? Grade Summary Deductions Potential 09% 100% Submissions Attempts remaining (2% per attempt) detailed view tan sin) cotan atan cosO asin( acotan 7 8 HOME E 4 acos 5 6 sinh 1 2 3 cosh) tanh0 Degrees cotanh0 0 END Radians VOBACKSPACE CLEAR DE I give up! Submit Hint Feedback Hints: 0% deduction per hint. Hints remaining: 2 Feedback 0% deduction per feedback CO N

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Expert Answer

Step 1

Write the equation relating frequency and wavelength

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c V (I) Here cis the speedof li ght and iis the wavelength

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Step 2

Substitute 3×108m/s for c and 17&m...

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3x10 m/s 10 m 17um 17.6x102Hz

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Electromagnetic Waves

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