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3 votes
Different _______ of light through two separate mediums causes the bending of wave fronts associated with light rays.

A. velocities
B. densities
C. reflections
D. rays

2 Answers

2 votes
it's between C. and D.
User Deosha
by
8.5k points
1 vote
the answer is velocities
User Trudger
by
8.3k points
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