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CH 7 POST QUIZ

# CH 7 POST QUIZ - Key Yellow(green below Chapter 7 Post Quiz...

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Key Yellow (green below) Chapter 7 Post Quiz ___________________________ _________________________ Last Name First Name Useful information : λ hc E = ν h E = λ ν = c φ ν = h h = 6.626 x 10 -34 J · s c =2.998 x 10 8 m/s A laser pulse with a wavelength of 0.127 μm contains 1.32 mJ of energy. How many photons are contained in the laser pulse? Please circle you answer. E photon = g2918 g2913 g2868 . g2869g2870g2875 μ g2923 x g2869g2868 g3122 μ g2923 g2869 g2923 =1.56 x 10 -18 J/photon 1.32 mJ Laser pulse x 1 J 10 g2871 mJ x 1 photon 1.56 x 10 g2879g2869g2876 J = 8.44 x 10 g2869g2872 photons/pulse Extra Credit. Rank the following in order of increasing Energy: microwave, yellow visible and ultraviolet. Microwave < yellow visible < ultraviolet

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Chapter 7 Post Quiz ___________________________
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CH 7 POST QUIZ - Key Yellow(green below Chapter 7 Post Quiz...

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