PPT-Wavelength, Frequency, and Energy Practice Problems

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 150 x 10 13 Hz 3 How much energy is associated with a photon in the microwave region of the spectrum with a frequency of 66 x 10. 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 . Calculations. Chemistry 11/5/14. Languid. lacking energy; weak; showing little interest in anything. After eating seven Snickers bars on Halloween, I lay . languidly . on my couch.. Drill. Give an example of a form of electromagnetic radiation that has:. 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…. Frequency. Medium. Vibration. Sound Waves. Compression . Rarefaction. What is a sound wave?. What section are seen in a sound wave?. amplitude. a. mplitude. :. . is the maximum distance a particle travels from rest. . /~. 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?. 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. What is energy?. Make a list of the major forms of potential energy. Make a list of the major forms of kinetic . What do all mechanical waves need to exist?. Sketch a longitudinal wave. Label its parts. Draw an arrow to show how the energy moves through the wave.. 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 Measuring Waves: Variables Recap. Frequency. . ( f ). # of waves passing a point in 1 second. SI unit: Hertz (Hz). shorter wavelength .  higher frequency  higher energy. 1 second. Range for human hearing =. Chapter 1 section 2. Electromagnetic Spectrum. In . 1852. , James Clerk Maxwell proved that . visible. light was part. of a larger spectrum.. Each. color of . visible. light is a different . wavelength of electromagnetic radiation..