A solar or lunar eclipse will occur
a. when the Sun is near the line of nodes of the Moon, and the Moon is new or full.
b. any time the Moon is new or full.
c. when the Sun is near the solstice, and the Moon is new or full.
d. half-way through an eclipse year.
e. when the Sun is near the equinox, and the Moon is new or full.
Ans: a. when the Sun is near the line of nodes of the Moon, and the Moon is new or full.
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What will be an ideal response?
An optical fiber with index of refraction 1.60 is clad in a material of index 1.30 . What is the ratio of the maximum time to the minimum time for light signals to travel down a given length of this fiber?
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The transport of large particle sizes is greatest
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