In continuation of Problem16.5, consider now two wavelengths λ0 (= 6000 Å) and λ0 + Δλ inc...

In continuation of Problem16.5, consider now two wavelengths λ0 (= 6000 Å) and λ0 + Δλ incident normally on the Fabry-Perot interferometer with n2 = 1, F = 400 and h0 = 10 cm. What will be the value of Δλ so that T = ½ occurs at the same value of h for both the wavelengths.