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- In 1822, a French inventor, Augustin Fesnel, had an .
Question 1:
In 1822, a French inventor, Augustin Fesnel, had an ....... moment in his workroom when noticing how far light*^*traveled through a prism. He deduced that the range of light emitted in lighthouses might be increased by using*^*large glass prisms. A. eureka
B. flotsam
C. excessive
D. ductile
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