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Chem154Ass.1

# Chem154Ass.1 - 15 1 .0710 s 18 to2decimal 18...

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Calculate the energy of a of photon of  radiation with frequency 7.07  ×  10 15  s -1 Give your answer in J x 10 -18 to 2 decimal  places. E.g. 1.003 x 10 -18  would be entered  as 1.00.    Student Response Answer: 468.74    4.69 Score: 0/2    2.   A search for extra-terrestrial intelligence has taken  the form of examining radiation emitted by the  hydrogen atom at a frequency of 1.430 GHz  (1 GHz = 10 9  Hz = 10 9  s -1 ). What is the wavelength  of the 1.430 GHz radiation (in cm)? Give your  answer to 1 decimal place, e.g. 5.48 would be  entered as 5.5.    Student Response Answer: 21.0   Score: 2/2    3.

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Conversion of visible radiation (800 nm) to x-ray  radiation (32 nm) has been accomplished  experimentally. What is the minimum number of  visible photons needed to produce one x-ray  photon?   Student Response 1.  4 2.  16 3. 25 4.  40 Score: 2/2    4.
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