Answered: 1.What is the frequency of the…

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Physics

1.What is the frequency of the following: a. microwaves with wavelength 30 m? b. x-ray with a wavelength of 10 m?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter34: Maxwell’s Equations And Electromagnetic Waves

Section: Chapter Questions

Problem 36PQ

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Concept explainers

Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.

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Directions: Read and study the problem below. Follow GRESA in solving the
problem. Write your answer on a separate sheet of paper.
Equations:
v=c=Af
2= v/f
1.What is the frequency of the following:
a. microwaves with wavelength 30 m?
b. X-ray with a wavelength of 10 m?
2.What is the wavelength of the following?
a. visible light with frequency of 3.5 x 1014 Hz?
b. infrared wave with frequency of 4.0 x 10 Hz?

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