Wavelength, Energy Frequency Calculations

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Presentation transcript:

Wavelength, Energy Frequency Calculations

Lesson Sequence Evaluate: Warm-Up Explain: Energy, Wavelength, Frequency Calculations Elaborate: Calculation Practice Explore/Explain: Flame Test Lab Data Table Evaluate: Exit Ticket

Warm-Up True or False: All elements have the same emission line spectra and so emit the same color Write the 2 equations we learned yesterday. Label each variable in both equations

Objective Today I will be able to: Correctly calculate the wavelength, energy and frequency of light emitted from an atom. Design a proper data table for the flame test lab.

Homework Finish Calculations Practice

Agenda Warm-Up Emission Spectra lab Calculation Practice Exit Ticket

Rotate from Station to Station to observe line spectrum of different elements and complete the lab. Emission Spectrum Lab

Investigative Question What is the relationship between energy, wavelength and frequency?

Energy, Wavelength, Frequency Calculation Notes

Electromagnetic Spectrum

Calculating Wavelength and Frequency C= 3.0 x 108 m/s (speed of light) λ = wavelength (meters) ν = frequency (Hertz or 1/seconds)

Calculating Energy and Frequency Planck came up with the equation E= hν E = Energy (Joules) h = Planck’s Constant 6.626 x 10-34 J*s ν = frequency (Hertz or 1/seconds)

Calculation Examples

Energy, Wavelength, Frequency Practice Complete the practice at your desk. Ask Mr. Klotz for help if you have questions.

Exit Ticket Which problem on the practice worksheet did you find to be the most challenging?