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Get Full Access to University Physics, Volume 3 - 17 Edition - Chapter 4 - Problem 91
Get Full Access to University Physics, Volume 3 - 17 Edition - Chapter 4 - Problem 91

× ISBN: 9781938168185 2032

## Solution for problem 91 Chapter 4

University Physics, Volume 3 | 17th Edition

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Problem 91

A source of light having two wavelengths 550 nm and 600 nm of equal intensity is incident on a slit of width $$1.8 \mu \mathrm{m}$$. Find the separation of the m = 1 bright spots of the two wavelengths on a screen 30.0 cm away.

Text Transcription:

1.8 mu m

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Physics 121 Notes Week 1 Introduction, Conversion, & Units  What is Physics ­ A foundational science that underlies biology, chemistry, earth science, & all other fields to better understand certain scientific happenings around the world ­ Consists of measurements, mathematics, & predictive models ­ Goal is to discover a few fundamental concepts from which we can describe many subatomic phenomena  Common Equations ­ F= ma: Newton’s 2 Law ­ PV = NrT: Ideal Gas Law 2 ­ Fg = GMm2 r : Gravitational Force ­ E=m c Conversions  Notation­ language of physics ­ Specialized words ­ Abbreviations ­ Equations ­ Concepts  Example: E=m c2 ­ E: Rest Energy ­ m: Mass 2 ­ c : speed of light Units  American Units ­ Time: seconds, minutes, hours, etc. ­ Weight: lbs., oz., ­ Length: inches, feet ­ Temperature: Fahrenheit  SI Units ­ Time: seconds (s) ­ Mass: kilograms (kg) ­ Length: meters (m) ­ Temperature: Kelvin (K) ­ Current: ampere (A) ­ Amount of Substance: mole (mol) ­ Luminous intensity: candela (cd) Converting Units  To convert from minutes to seconds, multiply by a form of 1  Example 1 Time

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##### ISBN: 9781938168185

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