Wavelength Worksheet - MRS. Nairn



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Wavelength Worksheet 2

h = 6.626 X 10 -34 J·sec         c = 3.00 X 10 8 m/sec      

|Color |Wavelength (m) |Frequency (Hz) |

|Violet |Shorter than 4.5  x 10-7 |More than 6.7 x 1014 |

|Blue |4.5 – 5.0 x 10-7 |6.7 – 6.0 x 1014 |

|Green |5.0 – 5.7 x 10-7 |6.0 – 5.2 x 1014 |

|Yellow |5.7 – 5.9 x 10-7 |5.2 – 5.1 x 1014 |

|Orange |5.9 – 6.1 x 10-7 |5.1 – 4.9 x 1014 |

|Red |Longer than 6.1 x 10-7 |Less than 4.9 x 1014 |

1. Calculate the frequency of light that has a wavelength of 4.7 X 10 -7 meters.  What is the color of that light?

 

2. Calculate the energy of light that has a frequency of  5.0 X 10 14 hertz.  What is the color of that light?

3. Calculate the wavelength for a photon that has an energy of 2.4 X 10 -14  joules. Using your notes, what type of electromagnetic radiation is involved?

4. What is the energy of light that has a wavelength of 5.89 X 10 -5  centimeters?

5.  What is the wavelength and energy of a radio wave that has a frequency of  200 Hz?

6. Which type of radiant energy has:

a. The longest wavelength

b. The highest frequency

c. The highest energy

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