When two identical waves undergo _______________ interference, ...

[leilurhhh]

When two identical waves undergo _______________ interference, the net amplitude is zero.
 Fill in the blank(s) with correct word

Question 2

Two speakers in a stereo emit identical pure tones. As you move around in front of the speakers, you hear the sound alternating between loud and zero. This occurs because of __________.
 Fill in the blank(s) with correct word

[ynlevi]

Answer to Question 1

destructive

Answer to Question 2

interference

[leilurhhh]

Wow, this really help

[bimper21]

Thanks for the timely response, appreciate it