Two coherent monochromatic light beams of amplitude 3 and 5 units are superposed. The maximum and minimum possible intensities in the resulting beams are in the ratio

Step-by-step solution

It is given that the amplitudes A₁ and A₂ are in the ratio A₁ A₂ = 3 5 After superposition the maximum and minimum intensities will be in the ratio I_ I_ = (A₁+A₂ )^2 (A₁-A₂ )^2 = (3+5)^2 (3-5)^2 = 8^2 (-2)^2 = 64 4 = 16 1