When waves of equal amplitude from two sources are in phase when they interact, it is called

The answer is constructive interference. At the point when two waves meet such that their peaks line up together, then it's called productive obstruction. The subsequent wave has a higher adequacy. In dangerous obstruction, the peak of one wave meets the trough of another, and the outcome is a lower add up to adequacy.

Divide 108.2 x 10^6 into 1.5 x 10 and the result will be in au (astronomical units)