L O.

asked • 07/09/14

help with refraction

refraction occurs when
a.  a wave strikes and is re-emitted from an object
b.  there is a difference in the speed waves  
c.  a wave bends around a barrier
d.  the crest of one wave overlaps the crest of another
I think the answer is either b or c

1 Expert Answer


Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.