In young's experiment, the interfacing waves have amplitudes in the ratio `3:2`. Find the ratio of (a) amplitudes and (b) intensities, between the bright and dark fringers.

Explanation

To solve the problem, we will follow these steps:

### Step 1: Understand the Problem
We are given that in Young's double-slit experiment, the amplitudes of the interfering waves are in the ratio of 3:2. We need to find the ratio of amplitudes and intensities at the bright and dark fringes.

### Step 2: Define the Amplitudes
Let the amplitudes of the two waves be:
- \( A_1 = 3k \) (where \( k \) is a constant)
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