Total Internal Reflection: A scuba diver is 1.2 m beneath the surface of a still pond of water. At what angle relative to the normal at the surface must the diver shine a beam of light toward the surface in order for a person on a distant bank to be able to see it? The index of refraction for water is 1.33.
A. 41°
B. 48°
C. 59°
D. 90°
E. 0°
Answer: B
Physics & Space Science
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This Hubble Space Telescope photo shows a planetary nebula. What is the white dot in the center (indicated by the arrow)?
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Physics & Space Science
Another name for quantum mechanics is ______________ mechanics
Fill in the blank(s) with correct word
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Physics & Space Science