Name:
Date:
Period:
C = fλ Practice
[I Do]
1.
Calculate the wavelength of the yellow light emitted by a sodium lamp if the frequency of the radio is 5.10 x
1014 Hz. (Hint: c= 3.00 x 108 m)
2. The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 5.89x 10-7 m.
What is the frequency of this radiation? (Hint: c= 3.00 x 108 m)
[We Do]
3. The FM radio station KJAZ broadcasts at 2.95 x 105 Hz. What is the wavelength of the Radio Waves
broadcast by this station? (Hint: c= 3.00 x 108 m)
4. The wavelength of an argon laser’s output is 4.61 x 10-9 m. Calculate the frequency of this wavelength of
electromagnetic radiation. (Hint: c= 3.00 x 108 m)
[You Do]
5. A laser used in eye surgery to fuse detached retinas produces radiation with a wavelength of 6.40 x 10-7 m.
Calculate the frequency of this radiation. (Hint: c= 3.00 x 108 m)
6. Calculate the frequency of red light, which has a wavelength of 7.50 x 10-4 m. (Hint: c= 3.00 x 108 m)
7. The wavelength of the green light from a traffic signal is 5.22 x 10-7 m. What is the frequency of this
radiation? (Hint: c= 3.00 x 108 m)
8. What is the wavelength of a radio wave whose frequency is 1.01 x 108 Hz? (Hint: c= 3.00 x 108 m)
9. Calculate the wavelength of:
a. An electromagnetic wave with a frequency of 8.68 x 1016 Hz? (Hint: c= 3.00 x 108 m)
b. An electromagnetic wave with a frequency of 5.0 x 1014 Hz? (Hint: c= 3.00 x 108 m)
c. An electromagnetic wave with a frequency of 1.00 x 106 Hz? (Hint: c= 3.00 x 108 m)
10. What is the frequency of an electromagnetic wave that has a wavelength of 4.55 x 10-3 m? (Hint: c= 3.00 x
108 m)