Which of the statements about prism binoculars is/are correct? They
I. are a pair of two telescopes mounted side by side
II. reduce the optical path of the light ray from the objective to the eye piece
III, present inverted and diminished image to the viewer
IV. present erect and magnified image to the viewer.
A force F is applied to a body P as shown in the diagram above. If the body moves through a distance, a, which of the following represents the work done?
