C_Unit_6_Planks_Constant_WS_K

C_Unit_6_Planks_Constant_WS_K - Name Period Date Plancks...

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Name: Period: Date: Planck’s Constant WS_K 1. 1. Ultraviolet radiation has a frequency of 6.8 × 10 15 1/s. Calculate the energy, in joules, of the photon. 2. Find the energy, in joules per photon, of microwave radiation with a frequency of 7.91 × 10 10 1/s. 3. A sodium vapor lamp emits light photons with a wavelength of 5.89 × 10 -7 m. What is the energy of these photons? 4. One of the electron transitions in a hydrogen atom produces infrared light with a wavelength of 7.464 × 10 -6 m. What amount of energy causes this transition? 5. Find the energy in kJ for an x-ray photon with a frequency of 2.4 × 10 18 1/s. 6. A ruby laser produces red light that has a wavelength of 500 nm. Calculate its energy in joules. 7. What is the frequency of UV light that has an energy of 2.39 × 10 -18 J? 8. What is the wavelength and frequency of photons with an energy of 1.4 × 10 -21 J? 9. Are frequency and energy directly or inversely proportional?

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Use the Emission Spectrum below to answer the following questions. 10. What is an emission spectrum?
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