Will give brainliest!
when the trough of one light wave meets the crest of another light wave, occurs.

a. wave building
b. constructive interference
c. wave desruction
d. destructive interference

i think the answer is either b or d!

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples