. A light wave has a wavelength of 1,310 nm. What's the frequency of this wave? A. 229 THz B. 914 THz C. 371 THz D. 436 THz 6.b. A light wave has a frequency of 358 THz. What's the wavelength of this wave? A. 917 nm B. 556 nm C. 838 nm D. 1,018 nm
. A light wave has a wavelength of 1,310 nm. What's the frequency of this wave? A. 229 THz B. 914 THz C. 371 THz D. 436 THz 6.b. A light wave has a frequency of 358 THz. What's the wavelength of this wave? A. 917 nm B. 556 nm C. 838 nm D. 1,018 nm
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter22: Reflection And Refraction Of Light
Section: Chapter Questions
Problem 5P
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6.a. A light wave has a wavelength of 1,310 nm. What's the frequency of this wave?
A. 229 THz
B. 914 THz
C. 371 THz
D. 436 THz
6.b. A light wave has a frequency of 358 THz. What's the wavelength of this wave?
A. 917 nm
B. 556 nm
C. 838 nm
D. 1,018 nm
Expert Solution
Step 1
Solution
(6a): Given wavelength=1310 nm=1310×10-9m
We know,
frequency=(speed of light/ wavelength)
or, frequency=(3×10⁸)/(1310×10-9)
or, frequency=2.29×10¹⁴ Hz
or, frequency=229 THz.
Therefore, the frequency is 229THz.
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