PPT-Wavelength Properties of Energy

Comparing Wave Properties amp Energy Essential Standard 6P1Understand the properties of waves and the wavelike property of energy in earthquakes light and sound waves Clarifying Objective 6P . S8P4. Students will explore the wave nature of sound and electromagnetic radiation. . a. Identify the characteristics of electromagnetic and mechanical waves. . What are waves?. Waves carry energy. Rhythmic disturbances that carry energy without carrying matter are called waves.. Used for communications. Energy: . Low energy . Wavelength: . a few cm to a few km. Frequency: . 10. 2. Hz to 10. 8. Hz . Dangerousness: . Not . dangerous . Microwaves. Used for communications. & heating food . We will go back and talk about the early days of atomic theory soon.. Today, let’s focus on the development of atomic theory in the 1900s and WAVE MECHANICS.. In the late 1800’s, scientists noticed that objects glowed at certain colors when heated to high temperatures…. /~. afuller. /PHY-1050. Pre. -Lecture Quiz:. MasteringAstronomy. Ch15 . pre-lecture quiz due . February 17. Homework: . MasteringAstronomy. . Ch3 assignment due February . 1. MasteringAstronomy. . 3.76 . x 10. 14. s. -1. ?. λ = c/ν = . 3.00 x 10. 8. m/s. . = . 7.98 x 10. -7. m. . . 3.76 x 10. 14. s. -1. . . What is the frequency of a 6.9 x 10. -13. m wave?. 1. . A certain violet light has a wavelength of 413 nm. What is the frequency of this light?. 2. . What is the wavelength of radiation whose frequency is 1.50 x 10. 13. Hz?. 3. . How much energy is associated with a photon in the microwave region of the spectrum with a frequency of 6.6 x 10. How do matter and energy interact when waves are generated?. What are the three main types of mechanical waves?. What are properties of waves?. Essential Questions:. Waves. A disturbance that transfers energy from place to place. Leonardo de Vinci. Waves Properties. 1. Transverse Waves:. The particles of the medium vibrate perpendicularly to the direction of the wave. Equations. On Equation Sheet. Planck’s Equation: . Wave Equation: . Beer’s Law: A = . abc. E = energy. = frequency. = wavelength. Planck’s Constant: h = 6.626 x 10. -34. . Js. Speed of light: c = 3 x 10. 4 Basic Properties of Waves . Amplitude. Wavelength. Frequency. Speed. Amplitude . Maximum distance the particles of the medium carrying the wave move away from the resting place. Amplitude of Transverse Wave. a. Identify the characteristics of electromagnetic and mechanical waves. . What are waves?. Waves carry energy. Rhythmic disturbances that carry energy without carrying matter are called waves.. Models of Waves. WAVESUnit 10next to you discuss what this might beSECTION 1 THE NATURE OF WAVESA Wave a repeating disturbance or movement that transfers energythrough matter or space1 Molecules pass energy on to n Examples are cyanine dyes – Cy3 and Cy5 . There is a spectrum for excitation and emission for each molucule. . We want to observe light emitted at a wavelength separate from the excitation.. If the spectra of different molecules do not overlap too much we can use them together.. Introduction to Optics. Overview. The Great Debate. What is light?. Properties of light. The wave-like model. Theories of . colour. Show me the light!. A historical debate: . Optics. Optics: is the study of the .