Ramesh cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

The defect of vision in which a person cannot see the distant objects clearly but can see nearby objects clearly is called

A person can see near objects clearly through his eyes but cannot see distant objects clearly. The possible reason(s) for this defect could be: 1. Excessive curvature of the eye lens. 2. The eye-ball…

In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is NOT correct?

Which one among the following is the correct focal length of a combination of lenses of power 2.5 D and -2.0 D ?

A concave mirror of radius of curvature 50 cm is used to form an image of an object kept at a distance of 25 cm from the mirror on its principal axis. What will be the position of the image from the…