Test incompl/advan-864, Question 3

[English Learner]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #864 "Lighthouses", question 3

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

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #864 "Lighthouses", answer 3

In 1822, a French inventor, Augustin Fesnel, had an eureka 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.

Correct answer: (a) eureka
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What does "flotsam" means?

[Our Tort System]

http://www.thefreedictionary.com/flotsam
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