The two interfering waves have intensities in the ratio 16: 9. The ratio of intensities of maxima and minima in the interference pattern will be
Options

Question

The two interfering waves have intensities in the ratio 16: 9. The ratio of intensities of maxima and minima in the interference pattern will be

G1 Physics · Accepted Answer

Step 1: I₁:I₂ = 16:9, hence amplitude ratio A₁:A₂ = 4:3. Step 2: Imax/Imin = (A₁+A₂)²/(A₁−A₂)² = 7²/1² = 49:1. Final: B.