Q9.12Multiple correct
Consider an extended object immersed in water contained in a plane trough. When seen from close to the edge of the trough the object looks distorted because
- (a)the apparent depth of the points close to the edge are nearer the surface of the water compared to the points away from the edge.
- (b)the angle subtended by the image of the object at the eye is smaller than the actual angle subtended by the object in air.
- (c)some of the points of the object far away from the edge may not be visible because of total internal reflection.
- (d)water in a trough acts as a lens and magnifies the object. A B