A ray of light travelling in water is incident on its open surface in air. The angle of incidence is `theta^@`, which is less than the critical angle. Then there will be

Options

A. only reflected ray and no refracted ray.
B. only refrated ray and no reflected ray.
C. a reflected ray and a refracted ray.and the angle between them would be less than 180-theta
D. a reflected ray and a refracted ray.and the angle between them would be greater than 180-theta