A man views a small object located at his near point. Without altering the positions of his eye or the object, he places a simple microscope with a magnifying power of 5 X in front of his eyes. The angular magnification achieved is

Step-by-step solution

The angular magnification (or magnifying power) is defined as the ratio of the angle subtended by the image at the eye ( _i ) to the angle subtended by the object at the unaided eye when placed at the near point ( _o ). When the object is viewed with the unaided eye at the near point D , the angle subtended is: _o = h D When the simple microscope (convex lens) is placed in front of the eye without altering the object's position, the object distance from the lens remains u = D . The angle subtended by the image at t