7/26/2019 02-09 Frequency Wavelength Worksheet - Answers

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02-09 Frequency & Wavelength Name: ______________________________

Remember: = c / !ee" #$ l%ght = ' (0)m/ec = ' (0(*nm/ec

= +avelength = $requency c = !ee" ,#r vel#c%ty

(. l%ght +ave ha a $requency #$ .0 ' (0(1. F%n" %t +avelength.

= c / = ' (0(*nm/ec / .0 ' (0(1 = *.3 ' (02nan#meter = *30 nm#r

= c / = ' (0)m/ec / .0 ' (0(1 = *.3 ' (04*meter = *.3 ' (02nan#meter = *30 nm

2. l%ght +ave ha a +avelength #$ *9 nm. F%n" %t $requency.

= c / = ' (0(*nm/ec / *9 nm = 0.00525 ' (0(*1 = 5.25 ' (0(1

. l%ght +ave ha a $requency #$ .* ' (0(1. F%n" %t +avelength.

= c / = ' (0(*nm/ec / .* ' (0(1 = ).( ' (0nan#meter = )(00 nm

#r = c / = ' (0)m/ec / .* ' (0(1 = ).( ' (045meter = ).( ' (0nan#meter = )(00 nm

. l%ght +ave ha a +avelength #$ *2 nm. F%n" %t $requency.

= c / = ' (0(*nm/ec / *2 nm = 0.00( ' (0(*1 = .(5 ' (0(1

3. l%ght +ave ha a $requency #$ *. ' (0(31. F%n" %t +avelength.

= c / = ' (0(*nm/ec / *. ' (0(31 = .( ' (0(nan#meter = ( nm#r

= c / = ' (0)m/ec / *. ' (0(31 = .( ' (04)meter = .( ' (0(nan#meter = ( nm

5. l%ght +ave ha a +avelength #$ (3 nm. F%n" %t $requency.

= c / = ' (0(*nm/ec / (3 nm = 0.020* ' (0(*1 = 2.0* ' (0(31

*. 6he $requency #$ yell#+ l%ght % 3.0 ' (0(1. F%n" %t +avelength.

= c / = ' (0(*nm/ec / 3.0 ' (0(1 = 5.0 ' (02nan#meter = 500 nm

#r

= c / = ' (0)m/ec / 3.0 ' (0(1 = 5.0 ' (04*meter = 5.0 ' (02nan#meter = 500 nm

). What % the $requency #$ yell#+ l%ght7 = 335 nm8

= c / = ' (0(*nm/ec / 335 nm = 0.0030 ' (0(*1 = 3.0 ' (0(1

7/26/2019 02-09 Frequency Wavelength Worksheet - Answers

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9. Ra"%# tat%#n are uually %"ent%$%e" by the%r $requency. ne ra"%# tat%#n %n the F ban" ha a $requency#$ 9.9 1. What % %t +avelength8

9.9 1 = 9.9 ' (051 = 9.9 ' (0*1

= c / = ' (0(*nm/ec / 9.9 ' (0*1 = 0.(5 ' (0(0nm = .(5 ' (09nm = .(5 meter

#r

= c / = ' (0)m/ec / 9.9 ' (0*1 = 0.(5 ' (0(meter = .(5 meter

(0. What % the $requency #$ a m%cr#+ave that ha a +avelength #$ .0 cm8

.0 cm = 0.00 m = 0.00 ' (09nm = .0 ' (0*nm

= c / = ' (0(*nm/ec / .0 ' (0*nm = (.0 ' (0(01

((. br%ght l%ne !ectrum c#nta%n a l%ne equ%valent t# a +avelength #$ 3() nm.;eterm%ne:

a. the +avelength7 %n meter

3() nm = 3() ' (049meter = 3.() ' (04*meter

b. the $requency7 %n hert

= c / = ' (0(*nm/ec / 3() nm = 0.003*9 ' (0(*1 = 3.*9 ' (0(1