283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)
283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)
283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)
283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)