( A ) The spectrum of visible light whose frequency is less than that of green light will come out to the air medium.
( B ) The entire spectrum of visible light will come out of the water at various angles to the normal.
( C ) The entire spectrum of visible light will come out of the water at an angle of $90^{\circ}$ to the normal.
( D ) The spectrum of visible light whose frequency is more than that of green light will come out to the air medium.