What is the minimum thickness of the air layer between two flat glass surfaces if the glass is to appear bright when 450 nm light is incident normally?
A. 57.0 nm
B. 113 nm
C. 170 nm
D. 226 nm
B. 113 nm
Physics & Space Science
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Pencil "lead" (graphite) is made primarily of
a. oil. b. PbO2. c. carbon. d. Pb.
Physics & Space Science
Say that our Moon was Full on May 1, 2007. When was the next First Quarter phase after that Full Moon?
a) May 15 b) June 1 c) May 22 d) May 8 e) May 4
Physics & Space Science
The number 0.0001070 has how many significant figures?
a. 2 c. 4 b. 3 d. 7
Physics & Space Science
The fundamental equation of quantum mechanics is known as the ________ equation.
A. Heisenberg B. Bohr C. Born D. Schrödinger E. de Broglie
Physics & Space Science