An infrared lamp has a wavelengh of 1230 nm. Solve for the frequency of the lamp if the speed of light is 3X108m/s. ans: 2.44X1014 Hz A UV light has a frequency of 8X1014Hz. solve for the wavelengh of the lamp if the speed of light is 3X108m/s. ans: 375nm Show Work

An infrared lamp has a wavelengh of 1230 nm. Solve for the frequency of the lamp if the speed of light is 3X108m/s. ans: 2.44X1014 Hz A UV light has a frequency of 8X1014Hz. solve for the wavelengh of the lamp if the speed of light is 3X108m/s. ans: 375nm Show Work

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter39: Relativity

Section: Chapter Questions

Problem 59PQ

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

An infrared lamp has a wavelengh of 1230 nm. Solve for the frequency of the lamp if the speed of light is 3X10⁸m/s. ans: 2.44X10¹⁴ Hz

A UV light has a frequency of 8X10¹⁴Hz. solve for the wavelengh of the lamp if the speed of light is 3X10⁸m/s. ans: 375nm

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q36 What is the wavelength (in m) of a radio signal with a frequency of 101.5 MHz? Enter the numerical part of your answer to three decimal figures. The speed of light in a vacuum (and in normal air) = vlight = c = 3.00 × 108 m/s.
A monochromatic light source with a power output of 56.0 W radiates light of wavelength 630 nm uniformly in all directions.