GATE Electronics and Communications (EC) 2016 Shift 2 Solved Paper

A microwave circuit consisting of lossless transmission lines T₁ and T₂ is shown in the figure. The plot shows the magnitude of the input reflection coefficient Γ as a function of frequency 𝑓. The phase velocity of the signal in the transmission lines is 2 × 10⁸ m/s.

The length 𝐿 (in meters) of T₂ is ________