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
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
