You could determine the index of refraction for visible light of a dark but reflective medium such as black glass by measuring the
a. angles of incidence and refraction.
b. angle of reflection for an arbitrary angle of incidence.
c. angle at which reflected light is completely polarized.
d. smallest angle at which X-ray diffraction occurs in the glass.
e. smallest angle at which diffraction occurs for visible light when a diffraction pattern is scratched onto the surface.
c
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The Galilean satellites orbit
a. Jupiter b. Saturn c. Uranus d. Neptune e. All of the above.
On the scale of the cosmic calendar, in which the history of the universe is compressed into 1 year, how long is the average human life span?
A) 0.2 millisecond B) 0.2 second C) 2 seconds D) 2 minutes E) 2 hours
Where is it low tide?
A) point 1 only B) point 2 only C) points 1 and 3 D) points 2 and 4
The fast rotation of neutron stars is a consequence of the law of conservation of angular momentum.
Answer the following statement true (T) or false (F)