light

This forum made possible through the generous support of SDN members, donors, and sponsors. Thank you.

yingao

Full Member
10+ Year Member
Joined
Jul 11, 2011
Messages
20
Reaction score
0
the index of refraction of the water in a certain murky pond is approximately 1.4. An alligator sits 1m below the smooth surface of the pond. The alligators view of objects above the surface with a radius of:

a. 0.5m
b. 1m
c. 2m
d. 2.6m

ans: b

Members don't see this ad.
 
Is this a paraphrased version of the question? I don't understand what's being asked here.
 
Top