Chaptel 3 lu ? ? COezto.mheducation.com/hm.tpx???0.9350131949987832-15284208543

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Chaptel 3 lu ? ? COezto.mheducation.com/hm.tpx???0.9350131949987832-15284208543 16 ::: Apps Literature Resource( Literature Resource( . Literature Resource Web 20 scientific c value: 4.00 points 1 out of 3 attem Be sure to answer all parts. (a) What is the frequency of light having a wavelength of 516 nm? Frequency of light: Enter your answer in scientific notation) (b) What is the wavelength (in nm) of radiation having a frequency of 7.95 x 109 Hz? (This radiation is in the microwave region.) Wavelength of radiation: x 10 nm (Enter your answer in scientific notation) References eBook & Resources

Explanation / Answer

Frequency = speed of light / wavelength

Part a

Wavelength = 516 nm x 1m/10^9nm = 516*10^-9 m

Speed of light = 3*10^8 m/s

Frequency =( 3*10^8 m/s) / (516*10^-9 m)

= 5.813 x 10^14 s-1 x Hz/s-1

= 5.813 x 10^14 Hz

Part b

Frequency = 7.95*10^9 Hz x s-1/Hz = 7.95*10^9 s-1

Wavelength = ( 3*10^8 m/s) / (7.95*10^9 s-1)

= 0.03774 m x 10^9nm/m

= 3.774 x 10^7 nm

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