If the wavelength of a monochromatic source is 316 nm in vacuum, what is the wavelength from the same source when it passes through a liquid where the speed of light is 1.86 × 10^8 m/s? (c = 3.00 × 10^8 m/s)
a. 590 nm
b. 510 nm
c. 566 nm
d. 196 nm
e. 121 nm
d
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Consider the space time diagram below. Let the space time interval between events O and A be ?sOA, and let the space time interval between events O and B be ?sOB Which of these two space time intervals is larger? (Assume that the y and z coordinates of all these events are zero.)
A. 
B. 
C. 
D. There is no way to tell from this diagram.
A child's toy is suspended from the ceiling by means of a string. The Earth pulls downward on the toy with its weight force of 8 N. If this is the "action force," what is the "reaction force"?
A) the string pulling downward on the ceiling with an 8-N force B) the ceiling pulling upward on the string with an 8-N force C) the string pulling upward on the toy with an 8-N force D) the toy pulling upward on the Earth with an 8-N force E) the toy pushing downward on the Earth with an 8-N force
A. The component of the curl in this direction is positive. B. The component of the curl in this direction is negative. C. The component of the curl in this direction is zero.
In composition, asteroids and meteoroids are most like:
A) jovian planets. B) Kuiper Belt objects. C) comets. D) terrestrial planets. E) the moons of Jupiter.