Answer:

Explanation:
As we know that position of first minimum on the either side of central maximum is given as


so the width of the central maximum is given as

so we have

so we have



Answer:
b) Document lessons learned.
Explanation:
First he should do documentation
then C
then D
then A
Our primary method for localizing sound in the horizontal plane is to compare the arrival time of sound at each ear.
Answer:
I would say d sry if im wrong
Explanation: