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This a a two part question: PART A: The sketch shows two circular waves interfer

ID: 1381900 • Letter: T

Question

This a a two part question:

PART A: The sketch shows two circular waves interfering each other. The circles represent the trough of the moving waves and gaps represent crests. The interference is

A) Constructive at both points 1 & 2

B) Destructive at both points 1 & 2

C) Constructive at 1, destructive at 2.

D) Destructive at 1, constructive at 2.

PART B:

What is the phase difference between the two dots in the sketch?

A) 90 degrees

B) 270 degrees

C) 180 degrees

D) 0 degrees

C) 360 degrees.

**please show all work for both parts**

Explanation / Answer

1) Constructive at 1, destructive at 2.

2)  270 degrees