7-1: Frequency, wavelength, and Energy
Chapter 7-1

Dr. Robert Belford & Rebekah Reinhart




Question 1
Molybdenum emits a light with a wavelength of 120nm. Calculate the frequency.
(A)  2.5*106Hz
(B)  2.5*10-3Hz
(C)  2.5*1015Hz
(D)  NOTA
 
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Question 2
Molybdenum emits a light with a wavelength of 120nm. Calculate the energy.
(A)  1.7*10-18J
(B)  2.6*10-49J
(C)  3.8*1048J
(D)  NOTA
 
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Question 3
Calculate the frequency of radiation whose wavelength is 25pm.
(A)  1.2*107Hz
(B)  1.2*1019Hz
(C)  1.2*10-5Hz
(D)  NOTA
 
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Question 4
What type of radiation has a wavelength of 25 pm?
(A)  X-Ray
(B)  Gamma Ray
(C)  Radio Wave
(D)  NOTA
 
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Question 5
Calculate the energy of radiation whose wavelength is 25pm.
(A)  1.8*1052J
(B)  5.5*10-53J
(C)  8.0*10-15J
(D)  NOTA
 
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