[5] Waves of period T= 1 sec move in a channel shown in drawings below. Wave height at

Section (1) is H= 20 cm. Compute the wave height at Section (2).

b₁=5 m.

Section (1)

d₁=1 m.

Top View

b-10

Side View

Channel bottom

Sidewall

b₂=5 m.

Section (2)

d₂-50 cm.